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Heat Transfer in Changes of State Quiz

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Which of the following is an example of a change of state due to melting?

Ice turning into water

Explanation

Solid to liquid.

What is the process called when a gas changes into a liquid?

Condensation

Explanation

Gas to liquid.

What happens to the temperature of a substance during a change of state?

The temperature remains constant.

Explanation

Temperature stays the same.

In which process does heat transfer occur due to the movement of a fluid (liquid or gas)?

Convection

Explanation

Heat transfer through fluid movement.

What is the name of the process where a liquid changes into a gas at temperatures below its boiling point?

Evaporation

Explanation

Liquid to gas without boiling.

What is the term for the heat energy required to change one kilogram of a substance from liquid to gas at its boiling point?

Latent heat of vaporization

Explanation

Energy for liquid to gas transition at boiling point.

What is the specific term for the amount of heat required to change one kilogram of a substance from solid to liquid at constant temperature?

Latent heat of fusion

Explanation

Heat needed for solid to liquid transition.

Which of the following substances undergoes sublimation at standard atmospheric pressure?

Dry ice (solid carbon dioxide)

Explanation

Solid to gas.

Which of the following statements about thermal conductivity is true?

Thermal conductivity is the rate at which a material conducts heat.

Explanation

Measure of heat transfer in a material.

#10

Which of the following materials has the highest specific heat capacity?

Water

Explanation

Ability to absorb heat.

#11

Which substance has the highest thermal conductivity?

Copper

Explanation

Best heat conductor.

#12

During which change of state does a substance absorb heat energy from its surroundings?

Vaporization

Explanation

Liquid to gas.

#13

What is the name of the process where a substance changes directly from a solid to a gas without passing through the liquid phase?

Sublimation

Explanation

Solid to gas without becoming liquid.

#14

Which law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another?

First law

Explanation

Conservation of energy.

#15

Which of the following substances undergoes deposition at standard atmospheric pressure?

Dry ice (solid carbon dioxide)

Explanation

Gas to solid.

Heat Transfer in Changes of State Quiz

Which of the following is an example of a change of state due to melting?

What is the process called when a gas changes into a liquid?

What happens to the temperature of a substance during a change of state?

In which process does heat transfer occur due to the movement of a fluid (liquid or gas)?

What is the name of the process where a liquid changes into a gas at temperatures below its boiling point?

What is the term for the heat energy required to change one kilogram of a substance from liquid to gas at its boiling point?

What is the specific term for the amount of heat required to change one kilogram of a substance from solid to liquid at constant temperature?

Which of the following substances undergoes sublimation at standard atmospheric pressure?

Which of the following statements about thermal conductivity is true?

Which of the following materials has the highest specific heat capacity?

Which substance has the highest thermal conductivity?

During which change of state does a substance absorb heat energy from its surroundings?

What is the name of the process where a substance changes directly from a solid to a gas without passing through the liquid phase?

Which law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another?

Which of the following substances undergoes deposition at standard atmospheric pressure?

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