Related Words

Calorimetry: Experimental determination of heat absorbed or released by a chemical or physical change.

Molality: Concentration measured as moles of solute per kilogram of solvent. For example, a 1 m nacl solution contains 1 mole of nacl per kilogram of water. Molalities are preferred over molarities in . . . View Full Definition

Internal Energy: Internal energy (U) is defined so that changes in internal energy (deltau) are equal to the heat absorbed or released by a process running at constant volume. While changes in internal energ . . . View Full Definition

Enthalpy: Enthalpy (H) is defined so that changes in enthalpy (deltah) are equal to the heat absorbed or released by a process running at constant pressure. While changes in enthalpy can be measured u . . . View Full Definition