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Exam 6: The States of Matter

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Question 41

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Overtime,a latex balloon will lose its shape and buoyancy.Which process can be used to explain why this occurs?

A) sublimation
B) condensation
C) effusion
D) diffusion

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Question 42

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At room temperature,H₂ molecules have the same average kinetic energy as O₂.

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Question 43

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The figure below is an example of which gas law?

Charles's law can be stated mathematically as: P₁V₁ = P₂V₂

The vapor pressure of a liquid depends on the volume of the partially filled container.

The specific heat of ice is the amount of heat required to melt a specified weight to liquid water.

A 3.2 liter sample of gas is at 40 $\degree$ C and 1.0 atmosphere of pressure.If the temperature decreases to 20 $\degree$ C and the pressure decreases to 0.60 atmospheres,what is the new volume in liters?

Polar liquids would normally have higher heats of vaporization than non-polar liquids.

Who developed the concept of partial pressure of gases in a mixture?

The deposition of water vapor occurs when frost forms on a window.The correct equation to represent this phase change is _____ .

Calculate the volume in liters of 3.50 moles of gas at STP.

The specific heat of ice is 0.48 cal/g $\degree$ C.How much heat will it take to raise the temperature of 10 g of ice from -30 $\degree$ C to -20 $\degree$ C?

There is no such thing as an ideal gas,although helium and nitrogen come close.

Cohesive forces are the attractive forces associated with potential energy.

When a liquid sample is taken from sea level to a higher elevation,what happens to the external (atmospheric) pressure on the liquid and the boiling point of the liquid?

Using d = m/V,what is the volume (V) of a solid that has a density of 3.14g/cm³ and has a mass of 7.04 grams?

Which of the following gases is least likely to behave ideally?

Consider the figure below which shows the compression phase of a piston in your car's engine.This is an example of which gas law?

At STP,the vapor pressure of CH₃CH₂CH₂CH₂CH₃ is less than CH₃CH₂CH₂CH₃.

Increasing the pressure on a gas at constant temperature does what to the volume of the gas?