32. A geologist studies the side of a mountain with many layers of Earth exposed. The geologist wants to know more about when a particular layer of sandstone formed. Which observation would best help determine the age of the sandstone layer? a. The width of the layer of sediment b. The type of fossils in the sediment c. The amount of moisture in the sediment d. The color of the minerals in the sediment​

Answers

Answer 1

The sandstone is younger if the granite contains sandstone inclusions. The sandstone is younger if it shows evidence of contact metamorphism.

Explain about the geologist?

Geologists are scientists that research the Earth's processes, materials, history, and natural features. There are other subcategories of geologists, including economic geologists who search for and exploit the planet's resources and environmental geologists who research how humans interact with the natural world.

Geologists examine the Earth's components, operations, byproducts, physical characteristics, and past. In connection to the geologic, climatic, and human processes that shape them, geomorphologists study the landforms and landscapes of the planet.

Those who study the Earth's surface and the materials that make it up are known as geologists. Geology, or the study of rocks, is the name of this field of study.

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Related Questions

the following mechanism had been proposed for the reaction of h2(g) with icl(g). what rate law would be observed if this is the correct mechanism?

Answers

The rate law that is consistent with the proposed mechanism is [-d[H₂]/dt = k[H₂][ICl].

The sum of the two processes produces the overall reaction, which is:

H₂(g) + 2ICl(g) → 2HCl(g) + I₂(g)

We must take into account the rate-determining step, which is the step with the slowest rate, in order to derive the rate law for the total reaction. It is step 1 in this instance.

H₂(g) + ICl(g) → HI(g) + HCl(g) is the rate-determining step (g)

This step's rate rule is-d[H₂]/dt = k[H₂][ICl]

[ICl]

We can assume that the concentration of HI is always in equilibrium with the concentrations of H₂ and ICl because step 2 is quick.

Therefore, -d[H₂]/dt = k[H₂][ICl] is the rate law for the entire reaction.

Therefore,  [-d[H₂]/dt = k[H₂][ICl] is the rate law that is consistent with the hypothesized mechanism.

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the structural diversity of carbon-based molecules is determined by which properties? select all that apply.

Answers

Structural diversity of carbon-based molecules is determined by following properties:1.  ability of those bonds to rotate freely,2. ability of carbon atom to form four covalent bonds,3. orientation of those bonds in the form of  tetrahedron.

What is a covalent bond?

Covalent bond is defined as a type of bond which is formed by the mutual sharing of electrons to form electron pairs between the two atoms.These electron pairs are called as bonding pairs or shared pair of electrons.

Due to the sharing of valence electrons , the atoms are able to achieve a stable electronic configuration . Covalent bonding involves many types of interactions like σ bonding,π bonding ,metal-to-metal bonding ,etc.

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Solid aluminum has a specific heat capacity of 0.90 J/g K How many joules of heat are absorbed to raise the temperature of 24.0 grams of aluminum from 300. K to 350. K?

Answers

The amount of heat absorbed to raise the temperature of 24.0 grams of aluminum from 300K to 350K is 1080J.

How to calculate heat?

The amount of heat absorbed or released by a substance can be calculated as follows:

Q = mc∆T

Where;

Q = quantity of heat absorbed or releasedm = mass of substancec = specific heat capacity∆T = change in temperature

According to this question, a solid aluminum has a specific heat capacity of 0.90J/g K. The amount of heat absorbed or released by the substance is calculated as follows:

Q = 24.0 × 0.90 × {350 - 300}

Q = 24.0 × 0.90 × 50

Q = 1,080 Joules

Therefore, 1080J is the amount of heat absorbed by the aluminium sample.

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what are the five major factors that affect reaction rate?

Answers

Nature of reactants, Concentration of reactants, Catalyst, Temperature, Exposure of light.

1) Reactant nature: The reaction rate is influenced by the reactants' physical characteristics, size, and chemical make-up.

2) Reactant concentration: As the reactant concentration rises, there are more collisions and more opportunities for effective collisions, which raises the rate.

3) Reaction rates may be accelerated by a positive catalyst or slowed down by a negative catalyst.

4) The pace of reaction is quadrupled or doubled when the temperature rises due to an increase in the number of effective collisions.

5) The rate of a photochemical reaction is dependent on the amount of light that is shining on the reacting mixture.

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What is the frequency of electromagnetic radiation with a wavelength of 420 nm?

Answers

The frequency of electromagnetic radiation with a wavelength of 420 nm is 8 × 10¹⁴Hz.

How to calculate frequency?

Wavelength is the length of a single cycle of a wave, as measured by the distance between one peak or trough of a wave and the next.

It is often designated in physics as λ, and corresponds to the velocity of the wave divided by its frequency i.e. λ = v/f

According to this question, a wavelength of 420nm is given, which is equivalent to 4.2 × 10-⁷m.

4.2 × 10-⁷m = 3 × 10⁸/f

f = 3 × 10⁸ ÷ 4.2 × 10-⁷

f = 8 × 10¹⁴Hz

Therefore, 8 × 10¹⁴Hz is the frequency of the wave.

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2Cu+Cl2=2CuCl2
Write balanced half-reactions describing the oxidation and reduction that happen in this reaction

Answers

Answer:

c+cu

Explanation:

g a 0.1599 gram sample containing an unknown amount of chloride is titrated with a 0.7890 m silver nitrate solution. 30.83 ml of the silver nitrate solution was required to reach the end point of the titration. what is the mass percent of chloride in the original sample?

Answers

To determine the mass percent of chloride in the original sample, we need to first calculate the amount of chloride present in the sample. We can do this by using the balanced equation for the reaction between chloride and silver nitrate:

AgNO3 + Cl- → AgCl + NO3-

First, we need to calculate the number of moles of silver nitrate used in the titration:

moles of AgNO3 = volume (L) x molarity (M) = 0.03083 L x 0.7890 M = 0.02439 moles

Next, we can use the balanced equation to find the number of moles of chloride:

moles of Cl- = moles of AgNO3 = 0.02439 moles

Finally, we can use the number of moles of chloride to calculate the mass of chloride in the sample:

mass of Cl- = moles of Cl- x molar mass of Cl- = 0.02439 moles x 35.5 g/mol = 0.868 g

To find the mass percent of chloride in the original sample, we divide the mass of chloride by the total mass of the sample and multiply by 100%.

mass percent of Cl- = (mass of Cl- / total mass of sample) x 100%

Since we don't know the total mass of the sample, we can use the mass of chloride we just calculated and the formula above to find the mass percent of chloride in the original sample.

mass percent of Cl- = (0.868 g / 0.1599 g) x 100% = 54.3%

So, the mass percent of chloride in the original sample is 54.3%.

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true or false rf values should be kept in the range of 0.2 to 0.8 for the most effective separation when more than one compound is present in the sample.

Answers

The Rf values should be kept in the range of the 0.2 to 0.8 for the most effective separation when the more than one compound is present in sample. This statement is True.

The Rf value is dependent on the polarity of the compound. Polar compounds will have the lower Rf values than the nonpolar compounds under the same conditions. The Rf value is defined as the ratio in between the distance the solute travelled and the distance the solvent travelled.

Thus, this statement is true that Rf values should be kept in the range of the 0.2 to 0.8 for the most effective separation when the more than one compound is present in sample.

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an arctic weather balloon is filled with 24.6l of helium gas inside a prep shed. the temperature inside the shed is 7 degrees celsius. the balloon is then taken outside, where the temperature is 7 degrees celsius. calculate the new volume of the balloon. you may assume the pressure on the balloon stays constant at exactly 1 atm. round your answer to 3 significant digits.

Answers

The balloon's new volume is 24.6L. An arctic weather balloon being inflated using 24.6 litres of helium gas in a prep shed. The shed is seven degrees Celsius inside.

When the balloon is hauled outside, it is seven degrees Celsius outside. Any three-dimensional solid's volume is equal to how much room it occupies. One of these solids can be a cube, a cuboid, a cone, a cylinder, or a sphere. Chemical compounds are composed of a large number of comparable molecules (or molecular entities), which are composed of atoms from various elements bonded together by chemical bonds. Because of this, a molecule composed of atoms from a single element is not a compound.

v1/t1 = v2/t2

24.6/7 = v2/7

v2 = 24.6L

v1 = v2

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which flask will have the greatest number of colli- sions per second with the walls of the container?

Answers

The flask will have the greatest number of collisions per second with the walls of the container is Flask A: CO at 760 torr and 0 °C.

The Collision of the molecules with the wall of the container will be  depend on the pressure. Therefore, the flask with the highest pressure have the greatest no of the collisions. As flask A has the highest pressure of 760 torr, Therefore, the flask A has the greatest number of the collusions per second with the walls of the container.

Thus the flask A with CO gas will have the greatest number of collisions per second with the walls of the container.

This question is incomplete, the complete question is :

Consider three identical flasks filled with different gases.

Flask A: CO at 760 torr and 0 °C

Flask B: N₂ at 250 torr and 0 °C

Flask C: H₂ at 100 torr and 0 °C

which flask will have the greatest number of collisions per second with the walls of the container?

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liverworts are non vascular plants in what type of place do they grow?

Answers

Answer:

Worldwide in damp places

Explanation:

Liverworts, like mosses and ferns, usually occur in moist or wet, cool, shady places such as along stream banks, on the terraces above streams, cool valleys

C + 2zno > CO2 + 27n

How many grams of

carbon dioxide will be

produced if 135 grams

of ZnO is completely

reacted?

Answers

36.5 g [tex]CO_2[/tex]  will be produced if 135 grams [tex]ZnO[/tex]  is completely reacted.

First, Write a Balanced Equation

[tex]C+2ZnO[/tex] → [tex]Co_2 +2Zn[/tex]

According to Avogadro's Law, "identical volumes contain equal quantities of molecules." This indicates that, in contrast to solids and liquids, gases have additive volumes. The mole-fraction-weighted average molecular weight is calculated by adding the molecular weights of each component. Of course, the mole fractions and the volume fractions are the same (E.V.E.N. principle.)

According to a scale where the atomic masses of hydrogen, carbon, nitrogen, and oxygen are 1, 12, 14, and 16, respectively, molecular weight is the total of all the atomic masses of the atoms that make up a molecule. For instance, water has a molecular weight of 18 (2 + 16), which is made up of two hydrogen atoms and one oxygen atom. likewise known as molecular mass.

We know,

MW of [tex]ZnO[/tex] = 81.41 g

MW of [tex]CO_2[/tex] = 44.01 g

So, amount of [tex]CO_2[/tex] will be produced,

[tex]\frac{135*44.01}{81.41} = 36.5 g[/tex]

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cold tcs food should be stored at an internal temperature of

Answers

Do not accept the food or throw the products away if the food temperatures fall outside of acceptable ranges or if TCS food exhibits signs of previous temperature abuse. Keep cold food at or below 41°F.

Do not accept the food or throw the products away if the food temperatures fall outside of acceptable ranges or if TCS food exhibits signs of previous temperature abuse. Keep cold food at or below 41°F. At supermarkets, eateries, and other establishments that sell ready-to-eat meals, customers are always demanding TCS food items. At the point of sale, people are pickier and look for foods from vendors they believe will provide a high-quality and safe product. Managers and employees need to be aware of all the supply chain locations where TCS foods are at risk for time and temperature excursions just for this reason.

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13 8 points
A student researches how two types of rocks are formed and records the information below.
Rock Formation
Rock 1: Formed by cooling magma
Rock 2: Formed by compacting and cementing particles together
The student claims that Rock 2 is more likely to contain a fossil than is Rock 1.
Which statement BEST describes the student's claim?
The student is correct because organisms are more likely to be preserved in sedimentary rock than in igneous rock.
The student is correct because organisms are more likely to be preserved in igneous rock than in metamorphic rock.
The student is incorrect because organisms are more likely to be preserved in igneous rock than in sedimentary rock.
The student is incorrect because organisms are more likely to be preserved in igneous rock than in metamorphic rock.

Answers

The student is correct because organisms are more likely to be preserved in sedimentary rock than in igneous rock.

What is sedimentary rock?

Sedimentary rocks are formed by the accumulation or deposition of mineral or organic particles at the Earth's surface, followed by cementation. Sedimentation refers to the processes that cause these particles to settle in place. Sedimentary rocks form from previously existing rocks or fragments of once-living organisms. They form as a result of deposits accumulating on the Earth's surface. Layering or bedding in sedimentary rocks is common. Sedimentary rocks are formed by sediment accumulation. Sedimentary rocks are classified into three types. Clastic sedimentary rocks form as a result of mechanical weathering debris accumulation and lithification. Breccia, conglomerate, sandstone, siltstone, and shale are some examples.

Here,

Because organisms are more likely to be preserved in sedimentary rock than in igneous rock, the student is correct.

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The balanced equation for the reaction in this lab
is:
2Mn04- (aq) + 5H202(aq) + 6H* (aq) El 2Mn2*(aq) +
502(g) + 8H20(I)

A) Calculate the grams of H202 that were present in 1.00 mL of hydrogen peroxide solution.
B) Assume the density of the H202 solution to be 1.00 g/mL, calculate the percentage of H202 in solution.
C) The accepted percentage of hydrogen peroxide in solution is 3.00%. Calculate the percent error.

Answers

5.75 liters of 3% hydrogen peroxide solution are included by the company in the container.

What is percentage?

A measurement used to determine a number's value out of 100 is the percentage.

Due to that,

Hydrogen peroxide solutions in various containers have concentrations of 35% and 3%.

Since the corporation wants an 8-liter container with a 12% hydrogen peroxide concentration.

Use the allegation and combination properties,

35 3 12

9 : 23

Total quantity equals 23x + 9x = 32x.

Since the business requests 8 liters,

Consequently, 32x = 8 x = 1/4.

The concentration of 3% hydrogen peroxide will be equal to = 23x = 23/4 = 5.75.

5.75 liters of 3% hydrogen peroxide solution are needed.

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the radius of a strontium atom is 215 pm. how many strontium atoms would have to be laid side by side to span a distance of 3.46 mm

Answers

The radius of the strontium atom is 215 pm. The strontium atoms would have to be distance of 3.46 mm is 8.0 × 10⁶ atoms.

The information is given as :

The radius, r = 215 pm = 2.15 × 10⁻¹⁰ m

The distance, d = 3.46 mm = 3.46 ×10⁻³ m

The No. of strontium atoms that  laid side by side is :

n = d / 2 r

n = 3.46 ×10⁻³ m  / (2 × 2.15 × 10⁻¹⁰)

n =  3.46 ×10⁻³ / 4.3  × 10⁻¹⁰  atoms

n = 8.0 × 10⁶ atoms

The number of strontium atoms is 8.0 × 10⁶ atoms.

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Consider the balanced chemical equation. H2O2(aq)+3I−(aq)+2H+(aq)→I3−(aq)+2H2O(l) In the first 15. 0 s of the reaction, the concentration of I− drops from 1. 000 M to 0. 871 M. Part A Predict the rate of change in the concentration of H2O2 (Δ[H2O2]/Δt). Express the rate to three significant figures and include the appropriate units. Δ[H2O2]/Δt Δ [ H 2 O 2 ] / Δ t =


Part B Predict the rate of change in the concentration of I3− (Δ[I3−]/Δt). Express the rate to three significant figures and include the appropriate units. Δ[I3−]/Δt Δ [ I 3 − ] / Δ t =

Answers

The rate of change in concentrations of H2O2 and I3- are 2.8 x 10^-3M/s when the concentration of I− drops from 1. 000 M to 0. 871 M in 15s.

We know that the reaction rate is equal to change in concentration of reactant or product/ time taken.

The change in concentration of I− = 1.000 M - 0.871 M = 0.129M

The time taken to drop the concentration of I- (t) = 15s

Then the required reaction rate for I- = 0.129/15 = 0.0086M/s

The rate of change of concentration of H2O2 is

From the reaction: H2O2(aq)+3I−(aq)+2H+(aq)→I3−(aq)+2H2O(l)

(a) 3 moles of I⁻ are used up for every 1 mole of H2O2

Hence, the rate of change in concentration of H2O2 is:

Δ[H2O2]/Δt = 0.0086 M/sec * 1/3 = 0.00286 = 2.8 x 10^-3M/s

(b) Similarly for every 3 moles of I- 1 mole of I3- is used up. So,

The rate of change in concentration of I3- is:

Δ[I3−]/Δt = 0.0086 M/sec * 1/3 = 0.00286 = 2.8 x 10^-3M/s

Hence the rate of change in concentrations of H2O2 and I3- are same.

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PLEASE HELP


Look at the chemical reaction between vinegar and baking soda
C₂H₂O₂
acetic acid
+
NaHCO,
sodium bicarbonate
NaC,H,O,
sodium acetate
1. What are the reactants in the reaction?
2. What are the products in the reaction?
H₂O
water

Answers

The reactants in the reaction between vinegar and baking soda are acetic acid (C₂H₂O₂) and sodium bicarbonate (NaHCO₃).

A metathesis reaction

Reactants: acetic acid (C2H2O2) and sodium bicarbonate (NaHCO3)Products: sodium acetate (NaC2H3O2) and water (H2O)Acetic acid is the main component of vinegar, and sodium bicarbonate is the main component of baking soda. The products in the reaction are carbon dioxide (CO₂), water (H₂O), and sodium acetate (NaC₂H₃O₂). Carbon dioxide is produced when the acetic acid reacts with sodium bicarbonate, and it is released in the form of bubbles.Water is a byproduct of the reaction, and sodium acetate is produced when the acetic acid is neutralized by the sodium bicarbonate. Overall, the reaction between vinegar and baking soda is an acid-base reaction, which produces carbon dioxide, water, and sodium acetate.The reaction is a great example of how a simple combination of two household ingredients can create something amazing.

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absorption of uv light in the ozone layer causes the dissociation of oxygen and ozone. which requires longer wavelength to dissociate

Answers

The dissociation of ozone layer requires longer wavelength to dissociate.

The absorption of ultraviolet (UV) light by the ozone layer is a vital part of the Earth's atmosphere, as it helps to protect our planet from the harmful rays of the sun. When UV light is absorbed by the ozone layer, it causes the dissociation of oxygen and ozone molecules.

To achieve this process, longer wavelengths of UV light are required. This is due to the fact that UV light of longer wavelengths has more energy, which is needed to break apart the molecules.

The result of this process is that the ozone layer is able to absorb more of the harmful UV radiation and protect the Earth.

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5 students are working together to build 5 models. All models will represent the molecular structure of sodium bicarbonate, NaHCO3, commonly known as baking soda. The students are using toothpicks to represent bonds and jelly beans to represent atoms.


Red jelly beans represent sodium atoms (Na) White jelly beans represent hydrogen atoms (H) Black jelly beans represent carbon atoms (C) Blue jelly beans represent oxygen atoms (O)


Directions: Identify the number of each color of jelly bean needed to make All five models of NaHCO3. For your answer: Please write down the color of the jelly bean, the element symbol and the number of jelly beans. ex. Y (He) = 3

Answers

In order to build the 5 models of sodium bicarbonate, NaHCO₃, the student requires;

5 Red jelly beans5 White jelly beans5 Black jelly beans, and 15 Blue jelly beans

What are scientific models?

A scientific model is a depiction of a set of concepts, events, or processes that is physical, mathematical, conceptual, or both.

The students need to build five models to represent the molecular structure of sodium bicarbonate, NaHCO₃.

The model is to be built from the following:

Red jelly beans represent sodium atoms

(Na) White jelly beans represent hydrogen atoms

(H) Black jelly beans represent carbon atoms

(C) Blue jelly beans represent oxygen atoms (O)

A molecule of NaHCO₃ contains 1 atom of Na, 1 atom of H, 1 atom of C, and 3 atoms of O.

Therefore, 5 models of NaHCO₃ will require 5 atoms of Na, 5 atoms of H, 5 atoms of C, and 15 atoms of O.

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How many moles of Fe2O3 are formed when 4.2 moles of Fe reacts completely with oxygen?

Answers

The 2 mol Al moles of Fe2O3 are formed when 4.2 moles of Fe reacts completely with oxygen.

What is moles?

A mole is an extremely important unit of measurement for chemists. A mole of anything denotes 602,214,076,000,000,000,000,000 of that thing, just as possessing a dozen eggs denotes having twelve eggs. Chemists use moles to measure extremely small substances like atoms, molecules, and other particles.

What is oxygen?

Because oxygen contains only one type of atom, it is a chemical element, which is a type of substance. Since oxygen has an atomic number of 8, it is represented by the letter O in its formal chemical formula and has eight protons in its nucleus. In nature, molecular oxygen can be discovered.

2 mol Al, 3 mol Fe.

Therefore,  2 mol Al moles of Fe2O3 are formed when 4.2 moles of Fe reacts completely with oxygen.

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5. SEP Synthesize Information What does the graph show about the molar volume of a gas? How is molar volume different from molar mass?​

Answers

Answer: At a given temperature and pressure, one mole of any gas occupies the same volume. The molar volume is the volume occupied by one mole of any gas, at room temperature and pressure. The molar volume is equal to 24 dm3 (24,000 cm3).

Explanation: its the internet

chemist robert boyle created boyle’s law, the first law to describe what?

Answers

Robert Boyle created Boyle's Law, the first law to describe the inverse relationship between the pressure and volume of a gas at constant temperature.

Boyle's Law states that the pressure and volume of a gas are inversely proportional at a constant temperature. This means that as the volume of a gas increases, the pressure decreases and vice versa. Boyle's law is usually represented mathematically as PV=k, where P is the pressure of the gas, V is its volume, and k is a constant. Boyle's law was one of the first laws describing the behavior of gases and laid the foundation for the study of thermodynamics. It was a significant contribution to the field of chemistry and physics, and it is still widely used today in various applications such as in the design of gas storage tanks, scuba diving and many other fields.

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A tank fires a round of ammunition at a speed of 500 m/s. The round travels 2,000 m. How long did it take it to travel that far?

Answers

Answer:

To find out how long it took for the round to travel 2,000 m, we can use the formula:

time = distance / speed

In this case, the distance is 2,000 m and the speed is 500 m/s. So we can plug in these values:

time = 2000 m / 500 m/s

time = 4 seconds

So the round took 4 seconds to travel 2,000m.

A student left a sealed jar of water outside her home. Water can be a solid, liquid, or
gas. When she put it outside, the water was a solid. Twelve hours later, the water had
changed phase and was a liquid. What happened to the water molecules?

Answers

The water molecules started to move, following the law of atoms. As they were moving, they heated up, changing phases and turning into water molecules from being prior solid molecules

injecting chaulmoogra oil caused painful bubbles that further damaged extremely fragile skin. in terms of solubility, why is this?

Answers

Chaulmoogra oil is insoluble in water, which can cause it to form painful bubbles on the skin when injected.

Chaulmoogra oil is an essential oil that has been used historically as a treatment for skin conditions such as leprosy. However, because the oil is not soluble in water, it can be difficult to administer. When it is injected, the oil droplets can form bubbles in the water-based tissue of the skin, causing pain and further damage to already fragile skin.

Additionally, because the oil droplets do not readily mix with the surrounding tissue, they can remain in pockets, leading to irritation and inflammation. This is why chaulmoogra oil is not widely used as a treatment today and have been replaced with other forms of treatment.

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Determine whether each of the following bonds would be polar or nonpolar.
1. H-H
2. H-O
3. H-F
4. Br-Br
5. H-Cl
6. H-N
Determine the electronegativity differences and type of bond. Circle the most electronegative atom.
1. H and I
2. S and O
3. K and Br
4. Si and Cl
5. H and F
6. Se and S

Answers

1) Nonpolar bond

2) Polar bond

3) Polar bond

4) Non polar bond

5) Polar bond

6) Polar bond

What are the polar bonds?

We know that the bonds can be said to be polar when the electronegativity difference between the atoms that compose the bond is high. As such, a bond that we have between two elements that are the same would be non polar.

We know that the element that would be the most electronegative would be the non metallic element that is part of the bond. The more the electronegativity difference, the more polar the bonds.

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Can someone help me find the mass of water
Heat absorbed by water
Energy released by food (calories)
Energy released by food (cal/g)
% error

Answers

The moisture content is determined as follows, (weight of the container with wet soil minus weight of the container with dry soil) divided by (weight of the container with dry soil minus weight of the container), then multiplied by 100 to express as a percentage.

How are calories consumed by water calculated?You must determine the "Q" for water or the amount of energy absorbed or given out in order to compute the energy that the water has absorbed. When calculating energy in joules or calories, multiply your answer by either 4.184 J/g Co or 1 cal/g Co.The moisture content is determined as follows, (weight of the container with wet soil minus weight of the container with dry soil) divided by (weight of the container with dry soil minus weight of the container), then multiplied by 100 to express as a percentage.The moisture content is determined as follows, (weight of the container with wet soil minus weight of the container with dry soil) divided by (weight of the container with dry soil minus weight of the container), then multiplied by 100 to express as a percentage.

The complete question is,

How is water absorption calculated?

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if dry ice is compressed at a temperature below its triple point, will it melt? if not, what happens?

Answers

The triple point was also the lowest pressure where a liquid phase can coexist with a solid as well as vapor. At pressures just under 0.00604 abm, ice somehow doesn't melt to a liquid when it warms; instead, the solid sublimes straight to water vapor.

Unlike other solids, it cannot melt and instead transforms immediately into a gas. This is known as sublimation. Dry ice has a temperature of roughly -109° F! It melts quickly, so if you require dry ice for such an experimental business project, buy that as near to the time as feasible.

Any dry ice held in a closed container might pressurize the container due to the quick emission of huge amounts of CO2 gas. If the gas remains unable to escape for an extended period of time at normal room temperature, any such container could explode.

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A hydrated sample of sodium acetate is found to have a molar mass of 263. 183g. How many water molecules are associated with each sodium acetate?

Answers

A hydrated sample of sodium acetate is found to have a molar mass of 263. 183g. water molecules are associated with each sodium acetate 1000mL/L of sodium acetate make up the bulk.

sodium volume in mL, molar mass, and molarity = \s1000 \s500 \s​ \s ×0.375×82.0245=15.38. g.The number of moles per litre is the molarity of a solution. In 500 ml, you have 0.75 moles. As a result, you have 0.75 moles per liter, or 1.5 moles per liter, or one pound. A hydrated sample of sodium acetate is found to have a molar mass of 263. 183g. water molecules are associated with each sodium acetate 1000mL/L of sodium acetate make up the bulk.The mass percentage of water in a 20% solution with 100g of water is equal to 100 - 20%, or 80%. <br> 100 grams of the solution, or 80%, 100% of the answer is equal to "(100)/(80)" gram. 20% of the answer is equal to (100/(80) xx 20) = 25 grams. Therefore, 25 grams of sodium sulphate are required to make a 20% (w/w) solution in 100 g of water.

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