thermochemistry vocab

What is the amount of heat needed to increase the temperature of an object exactly 1°C called?

heat capacity.

What do we call the heat content of a system at constant pressure?

Enthalpy.

What is the amount of heat needed to melt one mole of a solid?

Molar heat of fusion.

What is the amount of heat needed to vaporize one mole of a given liquid?

Molar heat of vaporization.

What is the heat absorbed by one mole of a substance in melting from a solid to a liquid at a constant temperature?

Heat of fusion.

What is the heat absorbed by one mole of a substance in vaporizing from a liquid to a gas at a constant temperature?

Heat of vaporization.

What do we call the heat change caused by the dissolution of one mole of a substance?

Enthalpy of solution.

What is the heat change for the chemical equation exactly as it is written?

Thermochemical equation.

What is the enthalpy change for a chemical reaction as it is written?

Standard enthalpy change.

What is the enthalpy change that accompanies the formation of one mole of a compound from its elements in standard states at 25°C called?

Standard enthalpy of formation.

What is the SI unit of energy?

Joule (J).

What is the quantity of heat needed to raise the temperature of 1 g of pure water 1°C called?

Calorie.

What is the heat required to raise the temperature of one gram of a substance one degree Celsius called?

Specific heat.

What device is used to measure the absorption or release of heat in chemical or physical processes?

Calorimeter.