Thermal Physics

Front

What is internal energy?

Back

The sum of the kinetic and potential energy of the particles in a system.

Front

What is the amount of heat required to change 1 kg of liquid into gas at constant temperature called?

Back

Heat of vaporization.

Front

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL what happens?

Back

They both have an equal temperature.

Front

Temperature is a measure of the...

Back

Average kinetic energy of molecules in a substance.

Front

What is the specific heat of a substance?

Back

The amount of heat required to raise the temperature of 1 kg of the substance by 1 K.

Front

What is heat transfer?

Back

The process of thermal energy moving from a hotter object to a cooler one.

Front

What is conduction?

Back

The transfer of heat through a material without the movement of the material itself.

Front

What is convection?

Back

The transfer of heat by the movement of fluids (liquids or gases).

Front

What is radiation?

Back

The transfer of heat in the form of electromagnetic waves.

Front

What is the first law of thermodynamics?

Back

Energy cannot be created or destroyed, only transformed from one form to another.