Question

The standard enthalpy change of a reaction is the enthalpy change when all reactants and products are at

A. pressure

B. a specific temperature.

C. constant

Answer 1

The standard enthalpy change of a reaction is the enthalpy change when all reactants and products are at a specific temperature. Enthalpy is the heat content of a system at constant pressure.

Chemists measure changes in enthalpy of chemical systems as reactants are converted into products.

Step-by-step explanation:

The standard enthalpy change of a reaction is the enthalpy change that occurs when all reactants and products are at a specific temperature.

Enthalpy (H) is the heat content of a system at constant pressure. Chemists measure changes in enthalpy of chemical systems as reactants are converted into products.

The heat that is absorbed or released by a reaction at constant pressure is the same as the enthalpy change, symbolized as ΔH.