Freon-12 synthesized by the reaction between fluoride at carbon tetrachloride and antimony(III)Suppose 5.0 mol of antimony (III) fluoride is added to 10.0 mol of carbon tetrachloride: How many moles each compound (CCL; SbF;, CClFz, and SbCI3) are there if the reaction is |00% complete

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C. Candle

Explanation:

Answer. High-density polyethylene or HDPE is a thermoplastic polymer used in the production of plastic bottles, containers, corrosion-resistant pipes, etc. and not used for the production of candles. Commercially available candles are made with paraffin wax.

Answer:

b is the answer

Answer:

hmm suspicious

lol I don't know bye

The relationship between the volume, temperature, and pressure of the gas can be given by Charles law. The volume of the tire is 1.1 L.

According to Charles's law, the volume is directly proportional to the temperature of the gas at a constant pressure.

Charle's law can be shown as,

[tex]\rm \dfrac{V_{1}}{T_{1}} = \rm \dfrac{V_{2}}{T_{2}}[/tex]

Given,

Initial volume = 1.0 L

Initial temperature = 295 K

Final volume = ?

Final temperature = 325 K

Substituting values in the above equation the final volume can be calculated as:

[tex]\begin{aligned}\rm V_{2} &= \rm \dfrac{V_{1}T_{2}}{T_{1}}\\\\&= \dfrac{ 1 \times 325}{295}\\\\&= 1.1\;\rm L\end{aligned}[/tex]

Therefore, the final resulting volume of the tire is 1.1 L.

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Answer:

Explanation:

Answer:650 mL

Explanation:

Remember that Molarity = mol/L. Rearranging the equation to solve for liters you get L = mol/Molarity.

80x10-3 mol / 12x10-2 M = 6.5x10-1 L

6.5x10-1 L (1x103) = 6.5x10 2 mL = 650mL

Based on the duration and effect of the environmental change, the correct categorization is as follows:

Environmental changes refers to changes that occur in the environment either due to natural causes or by human activities.

Environmental changes can be categorized into:

Short-term changes occur over a short period of time while long-term changes occur over a long period of time.

Based on the chart, the correct categorization is as follows:

Therefore, both long-term and short-term changes occur in the environment.

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Answer:

iron

Explanation:

has more magnetic metal

Between iron and copper metals, iron is more active than copper metal as it is present above Co in the electrochemical series.

Electrochemical series is a type of reactivity series in which metals are arranged from bottom to the top in the increasing order of their reactivity.

As we know that reactivity is directly proportional to the activity of any element. In the electrochemical series iron is situated at the top position as compared to the copper metal.

So, iron is more active.

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Answer:

acquired traits are traits that organisms develops over a lifetime. adaptation are trait that enhances an organism's ability to survive and reproduce in its environment.

From the calculations performed, the Kb of the reaction is 9.9 * 10^-10

The term Kb refers to the base dissociation constant of a solution. We have the following information from the question;

pH of the solution = 8.60

concentration of p-toluidine =  0.016-M

Recall that  pOH = 14 - pH

pOH = 14 - 8.60 = 5.4

[OH] = Antilog (-5.4) = 3.98 * 10^-6 M

We have to set up the ICE table;

          CH3C6H4NH2(aq) + H2O(l) ⇄ CH3C6H4NH3^+(aq) + OH^-(aq)

I             0.016                                           0                                   0

C           -x                                                   +x                                  +x

E    0.016  - x                                            3.98 * 10^-6                3.98 * 10^-6

Hence;

Kb = [3.98 * 10^-6]^2/[0.016  - 3.98 * 10^-6]

Kb =  9.9 * 10^-10

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Answer:

B

Explanation:

The two countries that have nearly 50% of global coal reserves are

United States and Russia

Option B is correct

Estimates of total world proved recoverable coal reserves as were around 1,156 billion short tons, with five countries accounting for roughly 75% of the world's proven coal reserves.

In conclusion, The USA coal reserves amounted to nearly 248.9 billion metric tons in 2020

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Given the data from the question, the astronauts do not have enough sodium hydroxide in the cabin to cleanse the cabin air of the carbon dioxide.

2NaOH + CO₂ —>Na₂CO₃ + H₂O

Molar mass of NaOH = 40 g/mol

Mass of NaOH from the balanced equation = 2 × 40 = 80 g

Molar mass of CO₂ = 44 g/mol

Mass of CO₂ from the balanced equation = 1 × 44 = 44 g

SUMMARY

From the balanced equation above,

44 g of CO₂ required 80 g of NaOH

From the balanced equation above,

44 g of CO₂ required 80 g of NaOH

Therefore,

3000 g of CO₂ will require = (3000 × 80) / 44 = 5454.55 g of NaOH

From the calculation made above, we can see that 5454.55 g of NaOH is needed by the astronaut to clean the cabin air but unfortunately, they only have 5000 g of NaOH.

Thus, we can conclude that the astronauts do not have enough NaOH to clean the air

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Answer:

118MOLS

Explanation:

M1VI=M2V2

THE REST WORK OUT ( BA UNZA STUDENTS HE HE HE )

If the pH of the solution is 2.00. it follows that the pOH of the solution is 12.

The term pH refers to the hydrogen ion concentration of the solution. It shows the degree of acidity in the solution. We also know that the pOH can be obtained from the pH using; pOH = 14-pH.

Hence, if the pH of the solution is 2.00. it follows that the pOH of the solution is 12.

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Answer:  [tex]3.45*10^{-7}[/tex]

Explanation:

we can use the equation Ka * Kb = Kw

Kw is the equilibrium constant and always equals to [tex]1*10^{-14}[/tex]

we plug the given numbers into the equation, [tex]Ka * (2.9*10^{-8} )=(1*10^{-14} )[/tex]

now we just solve for Ka, [tex]Ka=\frac{1*10^{-14} }{2.9*10^{-8} }[/tex]

which gives us the value, [tex]Ka=3.45*10^{-7}[/tex]

hope this helped! ♡

The ka of the weak acid ha, whose conjugate base has kb 2. 9 × 10⁻⁸ is 3.45 × 10⁻⁷.

Ka value is the equilibrium constant found by the dissociation of acid.

By the equation

[tex]\rm ka \times kb = kw[/tex]

where kb = [tex]2.9 \times 10^-^8[/tex]

kw = [tex]1 \times 10^-^4[/tex]

Now, putting the values in the equation

[tex]1 \times 10^-^1^4 = ka \times 2.9 \times 10^-^8\\\\ka = \dfrac{1 \times 10^-^1^4}{2.9 \times 10^-^8} \\\\ka = 3.45 \times 10^-^7[/tex]

Thus, the ka of the weak acid ha, whose conjugate base has kb 2. 9 × 10⁻⁸ is 3.45 × 10⁻⁷.

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Answer:

2.5 mol is the answer

Explanation:

hope it will help you..

9 moles of O2

given:

6.0-mol of KClO3

using molar ratio:

2KClO3 : 3O2

2 : 3

moles of O₂ = ( 6/2 ) * 3 = 9 moles

Hi there!

To find the mole fraction for the remaining compound (Carbon monoxide), we must remember that mole fractions add up to ONE.

We can subtract the mole fractions of all of the other gases from one to solve for the mole fraction of carbon monoxide.

1 - 0.164 - 0.278 - 0.455 - 0.101 = 0.002

Answer:

b atoms

Explanation:

everything is made up of atoms

Answer:

C. Nylon

Explanation:

Nylon is a synthetic fiber, strong, elastic, and holds excellent abrasion resistance. Therefore it is used for making parachutes and ropes for rock climbing.

Answer:

Nylon

Explanation:

Answer:

hydrogen is the first in periodic table

Answer:

shows how anything like each thing is composed of for instance see how water is made of: hydrogen and oxygen which makes it a compound

The elements are the basic things by which everything in the world is build up. Different elements combine to form compounds. There are various kinds of inorganic and organic compounds around us that create the matter.

Elements are the basic things of any substance in the world. There are 118 known elements which can be found in the modern periodic table. These elements include metals, gases, and semi metals.

Atoms of same elements forms molecules. Atoms of different elements combines to form the compounds. There are various types of compounds such as ionic compounds, covalent compounds, coordination complex etc.

Water is a compound formed from the elements hydrogen and oxygen. The table salt we use every day is a compound, sodium chloride. Similarly we can find there are many compounds that we use everyday are creating the matter in the world.

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Answer:

To determine whether a given single replacement will occur, you must use an “Activity Series” table. If the metal or the halogen is above the element it will replace based on the activity series, a single displacement reaction will occur. The video below summarizes an experiment conducted to compare the activities of three metals ( Mg, Cu and Zn ).

Explanation:

Single replacement reaction will occur if any more active specie will add on the solution.

Single displacement reactions are those reactions in which one element from the given molecule is displaced by some other element.

Generally displacement reactions are shown by metals when more reactive metal is added in the solution of any another metal. Then more reactive metal displaces the metal which is already present in the solution and reaction is taking place is shown by changing in color.

Hence single displacement reaction will occur when more reactive metal is added in any solution.

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The molar mass of a substance can be calculated by first calculating the number of moles using ideal gas law equation:

PV = nRT

Where;

0.98 × 1.2 = n × 0.0821 × 287

1.18 = 23.56n

n = 1.18/23.56

n = 0.05moles

mole = mass/molar mass

0.05 = 0.458/mm

molar mass = 0.458/0.05

molar mass = 9.15g/mol

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The Figure is not found here but the tiny hairlike organelles are also referred to as cilia.

Cilia are a special type of hairlike organelles capable of covering the surface of cells in many different organisms.

Cilia are found in different eukaryotic organisms ranging from unicellular protists to mammals (epithelial tissues).

The function of cilia is to produce motion (movement) of the cell in which these structures are found.

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As the scuba diver ascends rapidly to the surface at the given pressure, the volume of the nitrogen bubble at the surface becomes 0.021mL.

Boyle's law states that the volume V of a given quantity of gas is inversely proportional to its pressure P as long as temperature remains constant.

Boyle's law is expressed as;

P₁V₁ = P₂V₂

Where P₁ is Initial Pressure, V₁ is Initial volume, P₂ is Final Pressure and V₂ is Final volume.

Given the data in the question;

We substitute our given values into the expression above to find the final volume.

P₁V₁ = P₂V₂

[tex]V_2 = \frac{P_1V_1}{P_2} \\\\V_2 = \frac{4.1atm \ *\ 5.0*10^{-6}L}{1.0atm}\\ \\V_2 = \frac{4.1 \ *\ 5.0*10^{-6}L}{1.0}\\\\V_2 = 2.05*10^{-6}L\\\\V_2 = 0.021mL[/tex]

Therefore, as the scuba diver ascends rapidly to the surface at the given pressure, the volume of the nitrogen bubble at the surface becomes 0.021mL.

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Answer:

tap water Is the pure substance

Answer:

Ethanol is pure

Explanation:

Purity meaning homogenious molecules/atoms, steel is a mix of iron and carbon, tapwater has minerals in it + fluoride etc, petrol has oxane and ethanol in it. ethanol is only ethanol and is inherently pure

The mass of an object with a net force of 356N and an acceleration rate of 4m/s² is 89kg.

The mass of an object can be calculated using the following formula:

F = ma

Where;

m = F/a

m = 356/4

m = 89kg

Therefore, the mass of an object with a net force of 356N and an acceleration rate of 4m/s² is 89kg.

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Answer:

Catabolic reactions

Explanation:

Anabolic reactions combine monosaccharides to form polysaccharides, fatty acids to form triglycerides, amino acids to form proteins, and nucleotides to form nucleic acids. These processes require energy in the form of ATP molecules generated by catabolic reactions.

We can store the copper sulphate solution in alumiun container, if cover on alumiun is present.

Aluminium is more reactive than copper so the Aluminium will displace copper sulphate from its solution by reacting with it but if there is cover on the aluminium then the alumium can't react with copper.

So we can store the copper sulphate solution in alumiun container.

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No, we cannot store CuSO₄ in an aluminum container because aluminum will displace the copper present in the solution.

Different chemicals are put in different containers, usually glass, plastic, dark container, or light container.

Chemicals element are reactive to different substances and to each other.

That's why they are put in separate and different types of containers according to their reactivity.

Thus, No, we cannot store CuSO₄ in an aluminum container because aluminum will displace the copper present in the solution.

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