Change of State and Thermodynamics (Physics 12.2)

Change of State and Thermodynamics (Physics 12.2)

Multiple Choice

The thermal energy needed to vaporize 1 kg of a liquid is called the ____

• boiling point

• heat of fusion

• heat of vaporization

• specific heat

Multiple Choice

The amount of energy needed to melt 1 kg of a substance is called the ....

• boiling point

• heat of fusion

• heat of vaporization

• specific heat

Multiple Choice

Which can remove thermal energy from a colder object and add it to a warmer object?

• dishwasher

• microwave

• oven

• refrigerator

Multiple Choice

_____ is the measure of the disorder in a system

• entropy

• fusion

• disarray

• work

Multiple Choice

The _____ law of thermodynamics states that the change in thermal energy of an object is equal to the heat that is added to the object minus the work done by the object.

• first

• second

• third

• fourth