Which of the following is a direct cause of a substance’s temperature increase?

• Energy is removed from the particles of the substance.

• Kinetic energy is added to the particles of the substance.

• The number of atoms and molecules in a substance changes.

• The volume of the substance decreases.

Which of the following is proportional to the kinetic energy of atoms and molecules?

• elastic energy

• temperature

• potential energy

• thermal equilibrium

What are the energies associated with atomic motion called?

• kinetic energy

• potential energy

• bond energy

• internal energy

As the temperature of a substance increases, its volume tends to increase due to

• thermal equilibrium.

• thermal energy.

• thermal expansion.

• thermal contraction.

What is the temperature of a system in thermal equilibrium with another system made up of ice and water at 1 atm of pressure?

• 0°F

• 273 K

• 0 K

• 100°C

If two small beakers of water, one at 70°C and one at 80°C, are emptied into a large beaker, what is the final temperature of the water?

• The final temperature is less than 70°C.

• The final temperature is greater than 80°C.

• The final temperature is between 70°C and 80°C.

• The water temperature will fluctuate.

Energy transferred as heat occurs between two bodies in thermal contact when they differ in which of the following properties?

• mass

• specific heat

• density

• temperature

Which of the following terms describes a transfer of energy?

• heat

• internal energy

• temperature

• kinetic energy

How is energy transferred as heat always directed?

• from an object at low temperature to an object at high temperature

• from an object at high temperature to an object at low temperature

• from an object at low kinetic energy to an object at high kinetic energy

• from an object with higher mass to an object of lower mass

To which of the following is high temperature related?

• low particle kinetic energy

• high particle kinetic energy

• large volume

• zero net energy transfer