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Space occupied by a substance. Units: Cubic meters (m^3), liters (L), gallons (gal)

Quantity of heat required to raise the temperature of a substance by one degree. Units: Joules per Kelvin (J/K)

Measure of a material's ability to conduct heat. Units: Watts per meter-Kelvin (W/(m·K))

Force exerted per unit area. Units: Pascal (Pa), bar, atmospheres (atm)

Total energy contained within a system. Units: Joules (J)

Measure of disorder or randomness in a system. Units: Joules per Kelvin (J/K)

Energy associated with a chemical reaction that can be used to do work. Units: Joules (J)

Total heat content of a system at constant pressure. Units: Joules (J)

Measure of the average kinetic energy of the particles in a substance. Units: Kelvin (K), Celsius (°C), Fahrenheit (°F)

Volume occupied by a unit mass of a substance. Units: Cubic meters per kilogram (m^3/kg)

Heat capacity per unit mass. Units: Joules per kilogram-Kelvin (J/(kg·K))

Heat capacity per mole of a substance. Units: Joules per mole-Kelvin (J/(mol·K))

Amount of energy needed to change a substance from the solid phase to the liquid phase at its melting point. Units: Joules per kilogram (J/kg)

Dimensionless quantity used to predict flow patterns in fluid dynamics. No specific units.

Distinct state of matter characterized by its properties. No specific units.

Dimensionless number that relates the momentum diffusivity (kinematic viscosity) to the thermal diffusivity. No specific units.

Measure of a material's fractional change in length or volume per degree change in temperature. Units: Per Kelvin (1/K)

Dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a boundary to the local speed of sound. No specific units.

Amount of energy needed to change a substance from the liquid phase to the gaseous phase at its boiling point. Units: Joules per kilogram (J/kg)