HELP ME I DONT KNOW WHAT TO DO

HELP ME I DONT KNOW WHAT TO DO
HELP ME I DONT KNOW WHAT TO DO

Answers

Answer 1

Glass Because wood and other materials can be electrified through induction, but glass can't.

Is specific heat capacity C or Q?

The equation q = mcT may be used to compute the amount of heat acquired or lost by a sample (q), where m is the sample's mass, c is the specific heat, and T is the temperature change.

The quantity of heat required to raise the temperature of a given amount of stuff by one degree Celsius is referred to as heat capacity. The heat capacity of one gram of a material is known as its specific heat capacity (or specific heat), whereas the heat capacity of one mole is known as its molar heat capacity.

Learn more about Glass

https://brainly.com/question/14620594

#SPJ1


Related Questions

How many moles of CS2 would be products if 12.4 moles of CO was also produced

Answers

Answer:

Explanation:

need the equation

What's the difference between a reflected in defecated sound wave

A. A reflected sound wave changes direction as it passes through an opening a diffracted sound wave bounces back to the place of origin

B. A reflected sound wave bounces back to the place if origin, a diffracted sound wave is absorbed as it passes through an opening

C. a reflected sound wave is absorbed by the medium, a diffracted sound wave changes direction as it passes through an opening

D. A reflected sound wave bounces back to the place of origin, a diffracted sound wave changes direction as it passes through an opening

Answers

Answer:

D

Explanation:

The difference between a reflected and diffracted sound wave is:

A. A reflected sound wave changes direction as it passes through an opening, whereas a diffracted sound wave bounces back to the place of origin.

Reflection occurs when a sound wave hits a surface and bounces back in the opposite direction. When a sound wave is reflected, it changes direction but does not necessarily change its wavelength or frequency. This is why we can hear echoes in a room with reflective surfaces.

Diffraction, on the other hand, occurs when a sound wave passes through an opening or around an obstacle and changes direction. When a sound wave is diffracted, it spreads out and changes its wavelength and frequency. This is why we can hear sound around corners or through a partially open door.

Therefore, option D is the correct answer: A reflected sound wave bounces back to the place of origin, a diffracted sound wave changes direction as it passes through an opening.

Suppose a vessel contains ClCH2CH2Cl at a concentration of 0. 810M. Calculate the concentration of ClCH2CH2Cl in the vessel 6. 20 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits

Answers

the concentration of ClCH2CH2Cl in the vessel 5.80 seconds later would be 1.49 M.

The second-order rate law for the given reaction is:

rate = k[ClCH2CH2Cl]

where k is the rate constant.

We can use the integrated rate law for a second-order reaction to solve for the concentration of ClCH2CH2Cl at a later time:

1/[ClCH2CH2Cl]t = 1/[ClCH2CH2Cl]0 + kt

where [ClCH2CH2Cl]t is the concentration of ClCH2CH2Cl at time t, [ClCH2CH2Cl]0 is the initial concentration, and k is the rate constant.

Plugging in the values given in the problem, we get:

1/[ClCH2CH2Cl]t = 1/1.22 + (0.743 M-1 s-1)(5.80 s)

1/[ClCH2CH2Cl]t = 0.8205

[ClCH2CH2Cl]t = 1.220 M / 0.8205

[ClCH2CH2Cl]t = 1.487 M

learn more about rate law here:

https://brainly.com/question/20305871

#SPJ4

consider the structures given below. which of these structures would be the most stable contributor to the resonance hybrid formed when anisole undergoes nitration? question blank 1 of 3 e how does anisole direct

Answers

The most stable contributor to the resonance hybrid formed when anisole undergoes nitration is structure C.

This is because the negative charge is delocalised to both the oxygen atom and the ring structure of the anisole, which makes the molecule more stable. Anisole directs nitration through resonance, where the delocalised electrons present in the aromatic ring contribute to the electron density around the electrophile at centre and facilitate the electrophilic attack.

Thus, structure C, which has the most delocalised electrons and the most resonance stabilisation, will be the most stable contributor to the resonance hybrid formed when anisole undergoes nitration.

Know more about electrophile here:

https://brainly.com/question/21773561

#SPJ11

The most stable contributor to the resonance hybrid formed when anisole undergoes

nitration

is Structure A, which is

ortho

-substituted.

This is because anisole is a meta-directing compound, meaning that it prefers the intermediate formed when a nitronium ion attacks the

meta

-position of an aromatic ring.

Structure A is

ortho-substituted

, meaning that it is the most likely intermediate formed when anisole undergoes nitration.

Structure A is the most stable intermediate of the three structures, since it is the only one with two equivalent aromatic carbocations in the

resonance

hybrid.

The reason why anisole is meta-directing is because of the electron-withdrawing oxygen atom, which increases the electron density of the ring opposite to it (the

meta

-position).

This increased electron density of the meta-position makes it more likely for a nitronium ion to attack the meta-position, as opposed to the ortho- and para-positions.

to know more about resonance refer here:

https://brainly.com/question/28318319#

#SPJ11

What are some innovations that we use every day that have been created from NASA research?

Answers

Answer:

Memory foam: NASA developed memory foam to help cushion and support astronauts during space flight. Today, it is used in mattresses, pillows, and other products to provide comfort and support.

Cordless power tools: NASA developed cordless power tools to help astronauts conduct repairs and experiments in space. Today, these tools are widely used in construction, manufacturing, and other industries.

Water filtration systems: NASA developed advanced water filtration systems to help astronauts recycle water in space. These systems are now used in homes and businesses to purify water for drinking and other purposes.

Scratch-resistant lenses: NASA developed a scratch-resistant coating for astronaut helmet visors that is now used on eyeglasses and other lenses.

GPS technology: NASA's Global Positioning System (GPS) technology is used for navigation in cars, airplanes, and boats, as well as for location-based services on smartphones and other devices.

Artificial limbs: NASA developed robotic arms for use in space, which inspired the development of advanced prosthetic limbs for amputees.

Infrared ear thermometers: NASA developed an infrared sensor to measure the temperature of stars and planets, which led to the development of infrared ear thermometers.

Explanation:


If you have 0.857 moles of gas with a volume of 1.97 L at a pressure of 0.942 atm, what is the temperature of the gas in K?

Answers

Considering the ideal gas law, if you have 0.857 moles of gas with a volume of 1.97 L at a pressure of 0.942 atm, the temperature is 26.407 K.

Definition of ideal gas law

Ideal gas refers to a hypothetical gas composed of molecules that do not attract or repel each other and are approximated by point particles that themselves have no volume.

An ideal gas is characterized by three state variables: absolute pressure (P), volume (V), and absolute temperature (T), related by the ideal gas law. This law is an equation that relates the three variables if the amount of substance, number of moles n, remains constant and where R is the molar gas constant:

P×V = n×R×T

Temperature of he gas

In this case, you know:

P= 0.942 atmV= 1.97 Ln= 0.857 molesR= 0.082 (atmL)÷(molK)T= ?

Replacing in the ideal gas law:

0.942 atm× 1.97 L = 0.857 moles× 0.082 (atmL)÷(molK)× T

Solving:

(0.942 atm× 1.97 L)÷ (0.857 moles× 0.082 (atmL)÷(molK))= T

26.407 K= T

Finally, the temperature is 26.407 K.

Learn more about ideal gas law:

https://brainly.com/question/4147359

#SPJ1

In another experiment to determine ksp of the salt ab2, 500. 0 ml of 0. 100 m a2 was added to 500. 0 ml of 0. 205 m b-. After the precipitate settled, a portion of the supernatant liquid was filtered and analyzed and found to contain 2. 3 x 10-7 m a2. Calculate the ksp

Answers

A portion of the supernatant liquid was filtered and analysed after the precipitate settled. the ksp is 5.0 ×

[tex] {10}^{ - 4} [/tex]

The balanced chemical equation for the dissolution of AB2 in water is:

AB2 (s) ⇌ A2+ (aq) + 2B- (aq)

The solubility product expression for AB2 is:

Ksp = [A2+][B-]

[A2+] = 0.100 M × 0.5000 L / (0.5000 L + 0.5000 L) = 0.0500 M

[B-] = 0.205 M × 0.5000 L / (0.5000 L + 0.5000 L) = 0.1025 M

[A2+]_ppt = [A2+]_initial - [A2+]_filtered

[A2+]_ppt = 0.0500 M - 2.3 × 10M

[A2+]_ppt = 0.0500 M

[B-]_ppt = 2 × [A2+]_ppt

[B-]_ppt = 2 × 0.0500 M

[B-]_ppt = 0.100 M

Now, we can use these values to calculate the Ksp:

Ksp = [A2+][B-]^2

Ksp = (0.0500 M)(0.100 M)

Ksp = 5.0 ×

[tex] {10}^{ - 4} [/tex]

Therefore, the Ksp of AB2 is 5.0 ×

[tex] {10}^{ - 4} [/tex]

learn more about ksp here:

https://brainly.com/question/4736767

#SPJ4

elucidate how copper is refined?

Answers

Answer:

Both of the electrodes are dipped in a solution containing copper ions.

Explanation:

Then the copper from the anode gets oxidized and forms copper ions. When copper ions reach the cathode, their reduction occurs and they get converted to pure copper metal and get collected at the cathode.

how many grams of solid barium sulfate form when 38.0 ml of 0.160 m barium chloride reacts with 54.0 ml of 0.065 m sodium sulfate? aqueous sodium chloride forms also

Answers

The amount of solid barium sulfate formed is 1.42g and 7.02 moles of sodium chloride are formed.

When 38.0 mL of 0.160 M barium chloride reacts with 54.0 mL of 0.065 M sodium sulfate, aqueous sodium chloride, and solid barium sulfate form. To determine the number of grams of solid barium sulfate formed, we must first calculate the amount of barium chloride and sodium sulfate used.

The amount of barium chloride used is equal to the product of the molarity and the volume, or 38.0 mL x 0.160 M = 6.08 mmol.

Similarly, the amount of sodium sulfate used is 54.0 mL x 0.065 M = 3.51 mmol.



The reaction between barium chloride and sodium sulfate is an exchange reaction:

BaCl₂(aq) + Na₂SO₄(aq) -> 2NaCl(aq) + BaSO₄(s)

We know that for every mole of barium chloride that is used, one mole of barium sulfate is formed, and for every mole of sodium sulfate used, two moles of sodium chloride are formed.

Therefore, 6.08 mmol of barium sulfate is formed and 7.02 mmol of sodium chloride is formed.

The number of grams of solid barium sulfate formed is equal to the product of the molar mass of barium sulfate and the number of moles of barium sulfate formed.

233.43 g/mol x 6.08 mmol = 1419.25 mg = 1.42g



In conclusion, when 38.0 mL of 0.160 M barium chloride reacts with 54.0 mL of 0.065 M sodium sulfate, 1.42g of solid barium sulfate, and 7.02 mmol of aqueous sodium chloride form.

To know more about barium sulfate, refer here:

https://brainly.com/question/20758434#

#SPJ11

PLEASE HELP!!!!!!


Reaction A (attached) starts as an orange solution in equilibrium. If SCN- is ADDED to the mixture, what color is the solution most likely to be after adjusting?


- red

- orange

- yellow

- clear


Reaction A (attached) starts as an orange solution in equilibrium. If SCN- is REMOVED from the mixture, what color is the solution most likely to be after adjusting?


- red

- orange

- yellow

- clear


Reaction A (attached) starts as an orange solution in equilibrium. If FeSCN2+ is ADDED to the mixture, what color is the solution most likely to be after adjusting?


- red

- orange

- yellow

- clear

Answers

Reaction A is the equilibrium between Fe₃+ and SCN- ions to form FeSCN₂+ ions, which results in an orange color solution.

If SCN- is added to the mixture, according to Le Chatelier's principle, the equilibrium will shift to the right to consume the added SCN- ions. This means that more FeSCN₂+ ions will form, resulting in a darker orange color solution, possibly even turning red if enough SCN- is added.

On the other hand, if SCN- is removed from the mixture, the equilibrium will shift to the left to replace the removed SCN- ions. This means that the FeSCN₂+ ions will dissociate to form Fe₃+ and SCN- ions, resulting in a lighter orange or even yellow color solution.

If FeSCN₂+ is added to the mixture, it would not have any significant effect on the color of the solution, as it is already in equilibrium and adding more product (FeSCN₂+ ions) will not shift the equilibrium in any particular direction. Therefore, the color of the solution would remain orange.

To learn more about equilibrium refer to:

brainly.com/question/29359391

#SPJ4

How many liters of a 0. 352M solution of CaSO4 would contain 62. 1g CaSO4 (molar mass of Calcium Sulfate is 135. 14g/mol)

A. 0. 16


B. 0. 77


C. 1. 35


D. 176. 4

Answers

1.3 Liters of a 0. 352M solution of CaSO4 would contain 62. 1g CaSO₄. So, option C is correct answer.

The solution has a concentration of 0.35M, it means that there ar 0.35M moles of CaSO₄ are there is the solution.

So, we can write is as,

Concentration = Moles/volume in Liters, this can be written as,

Concentration = Mass/Molar mass/volume in Liters

The molar mass of CaSO₄ is given to be 135.14 g/mol and the given mass of the compound is 62.1 grams. Now, putting all values,

0.35 = 62.1/(135.14V)

Volume = 1.35 Liters.

So, the volume of the solution required is found to be 1.35L hence option C is correct.

To know more about concentration, visit,

https://brainly.com/question/17206790

#SPJ4

Chemistry 1001 solutions: a special type of mixture

Answer key

Answers

Solutions are mixtures that consist of two or more substances that are evenly distributed throughout the mixture.

Solutions are special because all of the substances in the solution are completely dissolved and cannot be seen with the unaided eye. Chemistry 1001 solutions are typically mixtures of solvents and solutes. A solvent is the substance that does the dissolving, and the solute is the substance that is dissolved.

Examples of solvents include water and alcohol, and examples of solutes include salts and sugar.

For more question on  Solutions click on

https://brainly.com/question/25326161

#SPJ11

A student performs a neutralization reaction involving an acid and a base in an open polystyrene coffee-cup calorimeter. How would the calculated value of h differ from the actual value if there was significant heat loss to the surroundings

Answers

The calculated value of ∆H will be lower than the actual value due to heat loss. This is because the heat lost to the surroundings is not accounted for in the calculation, resulting in a lower measured temperature change than what would have occurred if no heat was lost.

If there is significant heat loss to the surroundings during a neutralization reaction in an open polystyrene coffee-cup calorimeter, the calculated value of ∆H (enthalpy change) would be lower than the actual value.

The enthalpy change for the reaction is calculated using the following equation: ∆H = q / n

where q is the heat released or absorbed by the reaction, n is the number of moles of the limiting reactant, and ∆H is the enthalpy change per mole of the limiting reactant.

In an open calorimeter, heat can be lost to the surroundings through conduction, convection, and radiation. The extent of heat loss depends on various factors such as the ambient temperature, the specific heat capacity of the surroundings, and the rate of heat transfer.

To minimize heat loss, the experiment should be conducted as quickly as possible, with good stirring to ensure uniform mixing of the reactants, and the calorimeter should be well-insulated to reduce heat loss to the surroundings. If these precautions are not taken, the calculated value of ∆H will be lower than the actual value due to heat loss.

To know more about actual value here

https://brainly.com/question/26893759

#SPJ4

The diagram shows a cross section of a thermos the vacuum between the outer and inner bottles is a space containing no air of other matter

Answers

Answer:

which diagram are you talking about?

The answer is

It prevents particles from transferring thermal energy between the outer and inner bottles

Steps of Scientific learning​

Answers

The steps in scientific learning are observations, hypotheses, predictions, testing, analysis, and conclusion.

Steps in scientific learning

The steps of scientific learning are as follows:

Observations - Gathering information about a particular phenomenon.Hypothesis - Developing a tentative explanation based on the observations.Predictions - Deriving predictions from the hypothesis that can be tested through experimentation.Testing - Conducting experiments to test the predictions.Analysis - Analyzing the results of the experiments to determine if they support or refute the hypothesis.Conclusion - Drawing a conclusion based on the results and determining whether further research is necessary.

More on scientific learning can be found here: https://brainly.com/question/7508826

#SPJ1

How many moles of silver nitrate are needed to produce 6. 75 moles of copper (II) nitrate upon reacting with excess copper?

Answers

We would require 13.5 moles of AgNO₃ to make 6.75 moles of  Cu(NO₃)₂1

The balanced chemical equation for the reaction between silver nitrate (AgNO₃) and copper (Cu) is:

2AgNO₃ + Cu -> Cu(NO₃)₂ + 2Ag

According to the stoichiometry of the reaction, 2 moles of AgNO₃ react with 1 mole of Cu to produce 1 mole of Cu(NO₃)₂ and 2 moles of Ag. Therefore, if 6.75 moles of Cu(NO₃)₂ are produced, the number of moles of Cu that reacted is also 6.75 moles.

To determine the number of moles of AgNO₃ required, we can use the ratio of moles of Cu to moles of AgNO₃ in the balanced equation. This ratio is 1:2, meaning that for every mole of Cu, 2 moles of AgNO₃ are needed.

Therefore, to produce 6.75 moles of Cu(NO₃)₂, we would need 2 × 6.75 = 13.5 moles of AgNO3.

To learn more about silver nitrate refer to:

brainly.com/question/8071605

#SPJ4

explain spd and s- block element​

Answers

Explanation:

SPD (s-block elements) are the elements located in the leftmost two columns of the periodic table. These elements include the alkali metals (Group 1A) and the alkaline earth metals (Group 2A). These elements are the most reactive of all elements and are characterized by their low ionization energies, high reactivities and relatively large atomic radii. The s-block elements are the only elements to form covalent bonds with other atoms. They also tend to form ionic bonds with other elements and have a tendency to form multiple bonds with each other. Because of their low ionization energies, they are very reactive, which is why they are often used in industrial applications, such as in the production of fertilizers, explosives, and drugs. The s-block elements are also important in the biochemical processes of living organisms. For example, sodium, potassium and calcium ions are essential in the regulation of the nervous system and muscular contraction. Magnesium is also important for energy production and muscle relaxation. In summary, the s-block elements are the most reactive of all the elements and have many important uses in industry and biochemistry. They are characterized by their low ionization energies, high reactivities, and relatively large atomic radii.

How many milliliters of Sulphur dioxide are formed when 12. 5g of iron sulphide ore (pyrite) reacts with oxygen according to the equation at STP?
4FeS2+1102=2Fe2O3+8SO2​
pls guys

Answers

Answer:

so the mass of sulphur dioxide = 0.208334 × 22.4 L = 4.6666816 L = 4666.6816 ml Therefore the volume of sulphur dioxide is 4666.6816 ml .

Explanation:

While investigating the properties of a new substance created in class, Sally and Roberto

record the following observations:

The new substance is solid.

The new substance forms into thin flat sheets.

The new substance is smooth.

The new substance will burn.

The new substance looks like it will tear easily.

The new substance looks like it will dissolve in acid easily.

Which of their statements would be an inference based on the observations they have

made?

Answers

Every substance has some physical properties and chemical properties. The new substance is solid and the new substance forms into thin flat sheets can be considered as the inference based on the observations.

A physical property is defined as an any property that is measurable, whose value describes a state of a physical system. The changes in the physical properties of a system can be used to describe the changes between momentary states of the substance. These properties are  referred to as observables. Physical properties are not modal properties.

A chemical property is defined as any of a material's properties that becomes evident during or after a chemical reaction that is, any quality that can be established only by changing a substance's chemical identity.

To learn more about Physical properties of a substance

https://brainly.com/question/26549181

#SPJ4

An 11 M solution containing 449. 4 g of ammonium sulfate would contain how many liters?

Answers

Answer:

309.1 mL

What is molarity?

The most common way to express solution concentration is molarity (M), which is defined as the amount of solute in moles divided by the volume of solution in litres: M = moles of solute/litres of solution.

To calculate volume required for the solution, we first must find number of moles (n) required. To do this, we can divide mass in grams, by molar mass. Molar mass can be found on a standard IUPAC Periodic Table (International Union of Pure and Applied Science).

n[(NH₄)₂SO₄] = m/MM = 449.4/[(14.01+1.008×4)×2+32.07+16.00×4]

= 3.4006 mol

Now we have moles of solute, as well as molarity, (from the question - 11M) Thus, we can calculate litres of solution.

Volume = moles ÷ molarity = 3.4006 / 11 = 0.309 L = 309.1 mL

What is the formula for barium ion and nitride ion?​

Answers

Answer:

The formula for barium ion is Ba2+ and the formula for nitride ion is N3-. When combined, they form barium nitride with the formula Ba3N2.

Explanation:

The formula for the barium ion is Ba²⁺, the formula for the nitride ion is N³⁻.

In order to acquire a stable conformation, the metallic element barium from Group 2 of the periodic table readily loses two electrons.

The production of the Ba²⁺ ion, which has a 2+ charge as a result of the elimination of two negative charges, is the result of the loss of these two electrons.

The nitride ion has the formula N³⁻. A nonmetal element belonging to Group 15 of the periodic table is nitrogen.

To finish its valence shell and obtain a stable electron configuration, it can gain three electrons. The N³⁻ ion is created when nitrogen gains three electrons and three more negative charges, giving it a 3-charge.

Thus, the correct answer is Ba²⁺, and N³⁻.

For more details regarding stable configuration, visit:

https://brainly.com/question/24132107

#SPJ6

Helppp Timed Quiz


Calculate the mass of 6. 9 moles of nitrous acid (HNO2). Explain the process or show your work by including all values used to determine the answer

Answers


Find moler mass-
H-1
N-14
02-31.98
Mm=46.98grams
6.9moles x 46.98/ 1mol
Answer=324.162 or 320 grams

If 48.0 g of NaCl react with 19.0 g of H₂SO4, what mass of Na₂SO4 will be produced?

equation is
2NaCI + H2SO4--Na2SO4 + 2HCI​

Answers

Answer: 355

Explanation: Given the molecular weights:

M

r

N

a

O

H

=

40

g

m

o

l

M

r

N

a

2

S

O

4

=

142

g

m

o

l

The analogy of the moles will be held constant:

n

N

a

O

H

n

N

a

2

S

O

4

=

2

1

n

N

a

O

H

n

N

a

2

S

O

4

=

2

For each one, substitute:

n

=

m

M

r

Therefore:

n

N

a

O

H

n

N

a

2

S

O

4

=

2

m

N

a

O

H

M

r

N

a

O

H

m

N

a

2

S

O

4

M

r

N

a

2

S

O

4

=

2

200

40

x

142

=

2

200

142

40

x

=

2

200

142

=

2

40

x

x

=

200

142

2

40

=

100

142

40

=

10

142

4

=

1420

4

=

=

710

2

Given the molecular weights:

M

r

N

a

O

H

=

40

g

m

o

l

M

r

N

a

2

S

O

4

=

142

g

m

o

l

The analogy of the moles will be held constant:

n

N

a

O

H

n

N

a

2

S

O

4

=

2

1

n

N

a

O

H

n

N

a

2

S

O

4

=

2

For each one, substitute:

n

=

m

M

r

Therefore:

n

N

a

O

H

n

N

a

2

S

O

4

=

2

m

N

a

O

H

M

r

N

a

O

H

m

N

a

2

S

O

4

M

r

N

a

2

S

O

4

=

2

200

40

x

142

=

2

200

142

40

x

=

2

200

142

=

2

40

x

x

=

200

142

2

40

=

100

142

40

=

10

142

4

=

1420

4

=

=

710

2

= 355 GMS

What 3 elements do you need to calculate the volume of a regular shaped object

Answers

We may find the size of a typically Regular shaped object by adding those following phases (area of both the bottom of the item and its height).

The volume of the thing is equivalent to the circumference of the bottom (longest times width times height of the object), or L x W x H. In this illustration, the length units we utilised were centimetres. Constant cross - sectional object volume A solid's volume can be calculated by multiplying its length, breadth, and height all at once.

V is equal to l times w. Regular forms feature interior (inner) slopes which are all equal as well as equal sides. Shapes that are irregular include curves and sides of any size and length. Below are a variety of shapes, both regular and infrequent: Pentagon regularly, regularly.

To know more about Regular shaped object click here.

brainly.com/question/28441292

#SPJ4

Given the following formula, calculate how many grams of C*O_{2} be produced from 11.89g C3H8. C_{3}*H_{8} + 5O_{2} -> 3C*O_{2} + 4H_{2}*O 11.89g ?g

Answers

To solve this issue, we must use stoichiometry to calculate the relationship between the production of CO2 and the amount of C3H8.

Determine how many grammes of C*O 2 will result from 11.89 grammes of C3H8 using the following formula: C 3*H 8 + 5O 2 -> 3C. *O {2} + 4H {2}*O 11.89g ?

Using its molar mass, we must first determine the moles of C3H8: C3H8 has a molar mass of 44.11 g/mol, which is calculated by multiplying 3 (12.01 g/mol) by 8 (1.01 g/mol). C3H8 moles are equal to 11.89 g / 44.11 g/mol, or 0.27 mol. Next, we apply the balanced chemical equation's C3H8 to CO2 mole ratio: Three molecules of CO2 are produced from one mol of C3H8. the following will be the moles of CO2 produced: The formula for moles of CO2 is: 0.27 mol C3H8 x (3 mol CO2/1 mol C3H8) = 0.81 mol CO2. Finally, we use its molar mass to translate the moles of CO2 into grammes: Molar mass of CO2 equals 12.01 g/mol plus 2 (16.00 g/mol), or 44.01 g/mol. mass of CO2 = 44.01 g/mol x 0.81 mol CO2 to get 35.64 g CO2. As a result, 11.89 g of C3H8 will result in 35.64 g of CO2.

To Know more about C3H8 Visit:

brainly.com/question/8957314

#SPJ1

Voge and Morgan (I. E. C. Proc. Design Dev. 11 454 1972) studied the dehydrogenation of n-butenes to butadiene over an iron oxide catalyst in the presence of steam. At 640°C the kinetics can be represented by a two consecutive first-order reaction network. Butene 1k→Butadiene 2k→ CO2 + cracked products with k2 = 0. 8 k1 a. In a preliminary series of experiments the following level of conversion was measured in an isothermal bed at 640°C. Equivalent spherical diameter Conversion 3. 4 mm 36. 9 5. 1 mm 31. 7 9. 5 mm 25. 6 Use these data to compute the Thiele modulus for the three pellets. Note that this is the conversion at the end of a reactor, not the local one. B. Determine the yield of butadiene using catalyst particles with a diameter of 1. 0 and 7. 0 mm in a reactor of the same length. Detrmine first the impact o n the conversion and then on the yield. C. . What will be the effect of increasing both rate constants by a factor of 4? The feed is pure butene and steam

Answers

A. Thiele modulus for the three pellets is 1.78, 2.74, and 6.04 for conversion 3. 4 mm 36.9, 5.1 mm 31.7, and 9.5 mm 25.6 respectively

B. The yield of butadiene using catalyst particles with a diameter of 1. 0 and 7. 0 mm in a reactor of the same length is 0.118 and 0.073 respectively.

C. The Thiele modulus (φ) will rise for all the pellets if both rate constants are increased by a factor of 4, as the reactions speed up.

a) To calculate the Thiele modulus (φ) for each pellet, we can use the following equation:

φ² / (6 x Th) = -(1/2)ln(1-X)

where,

φ is the particle diameter

Th is the Thiele modulus

X is the conversion.

The conversion for the first pellet, which has a 3.4 mm diameter, is 36.9%. Thus,

Th = φ² / [tex](6\times(-1/2)ln(1-X))[/tex]

Th = [tex]3.4^2 / (6\times(-1/2)ln(1-0.369))[/tex]

Th = 1.78

The conversion for the first pellet, which has a 5.1 mm diameter, is 31.7%. Thus,

Th = φ² / [tex](6\times(-1/2)ln(1-X))[/tex]

Th = [tex]5.1^2 / (6\times(-1/2)ln(1-0.317))[/tex]

Th = 2.74

The conversion for the first pellet, which has a 9.5 mm diameter, is 25.6%. Thus,

Th =φ²/ [tex](6\times(-1/2)ln(1-X))[/tex]

Th = [tex]9.5^2 / (6\times(-1/2)ln(1-0.256))[/tex]

Th = 6.04

B) In order to compute the butadiene yield utilizing catalyst particles with diameters of 1.0 and 7.0 mm, we must first know the conversion at the reactor's end.

We may infer from the information provided that the conversion is a diminishing function of pellet size.

Hence, we may interpolate the conversion values for the two particle sizes:

Conversion at 1.0 mm

= 36.9 x (1 - ((1.0 - 3.4) / (9.5 - 3.4))

= 26.6%

Conversion at 7.0 mm

= 25.6 x (1 - ((7.0 - 3.4) / (9.5 - 3.4))

= 16.5%

Thus, we must account for both the conversion and the selectivity when calculating the butadiene yield.

The second reaction's selectivity ([tex]S_2[/tex]) may be represented as

[tex]k_2 / (k_1 + k_2)[/tex] = 0.8 / 1.8

= 0.444 since the reactions occur one after the other.

For the 1.0 mm particle, the yield of butadiene can be calculated as:

Yield

= Conversion x Selectivity

= 0.266 x 0.444

≈ 0.118

For the 7.0 mm particle, the yield of butadiene can be calculated as:

Yield

= Conversion x Selectivity

= 0.165 x 0.444

≈ 0.073

c) The Thiele modulus (φ) will rise for all the pellets if both rate constants are increased by a factor of 4, as the reactions speed up. For the same reactor duration and circumstances, this will lead to a drop in conversion and yield.

Using the Thiele modulus equation from section (a), we can recalculate the conversion and yield using the new rate constants to determine the magnitude of this effect.

for such more question on Yeild

https://brainly.com/question/14714924

#SPJ4

• Describe how crystals of copper sulfate can be obtained from the salt solution.​

Answers

Answer:

Crystals of copper sulfate can be obtained from the salt solution through a process called crystallization. The steps involved are:

Prepare a saturated solution of copper sulfate by dissolving the salt in water until no more can dissolve.

Heat the solution to evaporate some of the water, which will increase the concentration of the salt.

Allow the solution to cool slowly. As it cools, the solubility of the salt decreases and it will start to form crystals.

Use a filter or strainer to separate the crystals from the remaining liquid. This process is called filtration.

Wash the crystals with a small amount of cold water to remove any impurities that may be present.

Leave the crystals to dry on a filter paper or in a drying oven.

After following these steps, pure crystals of copper sulfate can be obtained from the salt solution.

Explanation:

If you have gaseous carbon dioxide at 45°C and 6 atm of pressure, and you begin to cool it,
it will eventually turn into what physical state?

Answers

As a result, when the gas is cooled to a temperature below 45 °C, it will condense into a liquid condition. The pressure affects the precise temperature at which the gas will condense.

What happens to carbon dioxide when the pressure is raised above 1 atm?

The slope of the solid-liquid equilibrium line for carbon dioxide is positive; when pressure is increased, the melting point rises.

What happens when sulphur is heated to 200 C at 1 atm from 80 C?

Three triple points exist (a). (b) In an atmosphere, monoclinic is more stable than rhombic. (c) Sulfur changes state from liquid to vapour and back to liquid when heated from 80°C to 200°PC.

To know more about gas visit:-

https://brainly.com/question/14812509

#SPJ1

To earn full credit for your answers, you must show the appropriate formula, the correct substitutions , and your answer including the correct units.

If a country were doubling its population every 13 years, what would its growth rate be?
BoldItalicUnderline

Answers

The growth rate of the country's population if it was doubling it's population every 13 years is 5. 38%.

How to find the growth rate ?

To calculate the growth rate of a population that is doubling every 13 years, we can use the rule of 70, which states that the approximate number of years it takes for a population to double can be calculated by dividing 70 by the annual growth rate.

So if a population is doubling every 13 years, we can find the annual growth rate as follows:

70 / 13 = 5.38

Therefore, the annual growth rate of this population would be approximately 5.38%.

Find out more on growth rate at https://brainly.com/question/29997247


#SPJ1

limiting reactant and percent yield

Answers

A limiting reagent is a chemical reactant that controls the amount of product produced. The limiting reagent provides the lowest product yield estimated from the available reagents (reactants).

What is the relationship between limiting reactant and percent yield?

No additional product will develop once the limiting reactant has been completely consumed. The theoretical yield of the reaction is the maximum quantity of product that might be created depending on the limiting reactant. The 'percent yield' is calculated by comparing the actual yield to the theoretical yield..

To calculate the "expected yield" of the product, multiply the reaction equivalents for the limiting reagent by the product's stoichiometric factor. This is the estimated number of millimoles. To get the predicted mass of the product, multiply this value by the MW of the product.

Learn more about limiting reagent

https://brainly.com/question/11848702

#SPJ1

Other Questions
Write an inequality to describe each situation. a. The minimum age for voting in the United States is 18 years old. Let a represent a voter's age. b. A theater seats up to 275 people. Let p represent the number of people attending a performance in the theater. What is one method to find the measure of angle b? What is the relationship between 30 hours and 15 hours to complete the statement the number of hours student spent using electronic devices is times the number of hours spent playing sports Complete the sentences with for or since.A) i have been an english student ____ nine years.B) meggie and jenny have know each other ____ middle school.C) the patient has waited for the doctor ____ 7 o'clock.D) the children haven't eaten ____ they left school.E) have you lived here ____ many years?F) how long has it been ____ your parents got married?G) george has traveled abroad _____ months. Discuss the function of non-algae plants in the ocean 30 POINTS ANYONE????????? what strategies can be used to make sure that shared governance in sports offers an advantage in light of its potential for conflict, role ambiguity, and decision-making delays? Choose the following business writing topic that would be better suited with an INDIRECTGroup of answer choicesA.To inform your employees of a lunch meetingB.A gentle reminder to a student that they need to pay their tuition by July 30 th .C.To inform a customer that they have not been approved for their loanD.To let your friend know what time to meet you at the movie theatre 25. A large ship is sailing between three small islands. To do so, the ship must sail between two pairs of islands, avoiding sailing between a third pair. The safest route is to avoid the closest pair of islands. Which is the safest route for the ship?26. Three cell phone towers form APQR.The measure of ZQ is 10 less than the measure of LP. The measure of Ris 5 greater than the measure of ZO. Which two towers are closest together? please help quick!!Considering the steps of meiosis, identify the correct number of chromosomes present at the beginning of meiosis I, interkinesis, and in the daughter cells at the end of meiosis II.92, 46, 2392, 46, 4646, 23, 1246, 92, 23 HELP FAST PLEASE, CONFUSED!!Which of the following tables represents a linear relationship that is also proportional? Choose one of the tables below. Not sure if its the first one? Option 1: 1,811 square feet, 2-3 bedroom, 2 bath house that arrives in 4 modules. It includes the upgraded PEX piping and fiber cement siding that Xavier saw on the tour. The price for Option 1 would be $180 per square foot.Option 2: 2,600 square feet, 3-4 bedroom, 3 bath house that arrives in 5 modules. It also includes the upgraded PEX piping and fiber cement siding. The price for Option 2 is $195 per square foot.Sabrina also explains that Xavier must have certain things ready ahead of time, such as electric, sewer, and water systems, as well as a foundation in place. She gives him the name of a transport company that would oversee bringing Xaviers modules to his house site. On your math sheet, complete the following problems that will help Xavier choose from the two options Sabrina has presented him:Math Problem 3: Calculate the total price for Option 1Use this formula to help you solve the problem:Total Square Feet Number of Square Foot=Total PriceMath Problem 4: Calculate the total price for Option 2Use this formula to help you solve the problem:Total Square Feet Number of Square Foot=Total PriceXavier contacts the transport company and is put in touch with one of the drivers, Kevin. Because the modules need to be connected quickly once they reach his build site, Xavier wants to know if he can have them all delivered on the same day. Kevin says that this would be possible using one truck per module. The fee for transporting each module is 20 cents per truck per mile, plus the cost of fuel. The factory is 350 miles from Xaviers build site, and Kevin estimates that each truck will need $500 worth of gas.On your math sheet, complete the following problem to help Xavier find out how much he will spend on transportation costs:Math Problem 5: Calculate Xaviers transportation cost to have the modules delivered on the same dayUse this formula to calculate Xaviers cost:[(.20 miles)+500] number of modulesPart 2: Job BoardXavier is excited but knows this is a huge project. Help Xavier stay organized by creating a job board for him. A job board is like a bulletin board that holds important information about a big project. This way, he can see the important aspects of his job, along with his costs. To do this, you will be taking the answers to the math questions above and creating items that Xavier can hang on his job board to remind him of the choices he should make in this project. You may select to create your job board in poster form or digitally in a word processing document. Either way, the job board should include the following pieces of content:A rough drawing of Xaviers lot that includes the lot measurements provided above.Make sure that you include the total area of the lot that you calculated in Math Problem 1 somewhere on this drawing.A sketch of the prefabricated house option that you suggest Xavier purchases (either Option 1 or Option 2).Make sure that you include his final price that you calculated in Math Problem 3 or 4.Also, be sure to label the upgraded technology that was included in the option you chose so that Xavier can point it out to his building inspector when the time comes.A graphic representation (photo, clip art, etc.) of a truck with the final transportation cost on it (this is the answer to Math Problem 5). Based on context, what is the meaning of harrow up?vastly puzzlehighly pleasegreatly disturbdeeply enlighten Marques wants to use a sheet of fiberboard 36 inches long to create a skateboard ramp with a 30 degree angle of elevation from the ground. How high will the ramp rise from the ground at its highest end? Round your answer to the nearest tenth of an inch if necessary. SOMEBODY HELP PLEASE IF YOU CAN A golf ball is hit into the air the path of the ball can be described by the equation h=55t-5t^2 where h is the height of the ball in meters and t is time in seconds the rate at which a consumer is willing to exchange one good for another while maintaining a constant level of satisfaction is called the group of answer choices relative expenditure ratio. value of marginal product. marginal rate of substitution. relative price ratio. Roaring Lion Company bought a 30-second advertisement that aired during a major sporting event at a cost of $1.2 million. It is legally obligated to pay for the ad but has not yet done so. How does the purchase and use of the ad time affect your company's Balance Sheet?a. It does not affect the Balance Sheet.b. It increases assets and decreases Shareholders' equity by $1.2 million each.c. It increases both assets and liabilities by $1.2 million.d. It increases liabilities and decreases Shareholders' equity by $1.2 million each. Techniques for building employee empowerment include:Group of answer choicesmoving responsibility from both managers and staff to production employees.building high-morale organizations.developing open, supportive supervisors.all of the responsesbuilding communication networks that include employees. Write a hypothesis about the pH level of common household solutions based on what you know about their physical and chemical properties. Use the format of "if . . . then . . . because . . . and be sure to answer the lesson question "How is pH used to determine if a solution is acidic or basic?