Thermodynamics Test Review

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

• thermal expansion

• thermal contraction

• thermal energy

• thermal equilibrium

What happens to the internal energy of an ideal gas when it is heated from 0°C to 4°C?

• It decreases.

• It is impossible to determine.

• It remains constant.

• It increases.

Which of the following terms describes a transfer of energy?

• temperature

• kinetic energy

• heat

• internal energy

Which of the following best describes the relationship between two systems in thermal equilibrium?

• The velocity is zero.

• The masses are equal.

• The volumes are equal.

• No net energy is exchanged.

All of the following are good conductors of heat EXCEPT ________.

• air

• silver

• aluminum

• copper

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

• thermal equilibrium

• temperature

• potential energy

• elastic energy

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 greater than 80°C.

• The water temperature will fluctuate.

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

• The final temperature is less than 70°C.

Which of the following is the SI unit for temperature?

• Fahrenheit

• Celsius

• Kelvin

• All of the above

Heat always moves from an object of ________ temperature to an object of ________ temperature.

Which method of energy transfer does not involve movement of matter?

• radiation

• convection

• conduction

• None of the above