Heat, Temperature, and Thermodynamics Flashcards

Vocabulary flashcards covering the concepts, units, and principles of heat, temperature, thermal contact, and thermal equilibrium.

Heat (Molecular Theory)

The total sum of kinetic energy of all molecules of a body.

Joule ($\text{J}$)

The unit used to measure heat in the S.I. system.

Calorie

The unit used to measure heat in the C.G.S. system.

$$1\,\text{calorie}$$

The quantity of heat energy required to raise the temperature of $1\,\text{gram}$ of pure water by $1^\circ\text{C}$ or $1\,\text{K}$, equal to $4.2\,\text{J}$.

Heat (Quantity Dependence)

A quantity-dependent property that depends on mass and serves as a cause.

Temperature (Molecular Theory)

The average kinetic energy of the molecules of a body.

Kelvin ($\text{K}$)

The unit used to measure temperature in the S.I. system.

Temperature (Quantity Dependence)

A quantity-independent property that acts as an effect of heat.

Transfer of Heat

The process wherein heat always transfers from a body of higher temperature to a body of lower temperature.

Thermal Contact

The state of two bodies when there is an exchange or transfer of heat from one body to another body of different temperature.

Thermal Equilibrium

The state of two bodies in thermal contact when there is no transfer of heat from one body to another.