Question

question 13 of 25
what does the δh of a reaction represent?
a. it represents the heat involved in a reaction.
b. it represents the usable energy in a reaction.
c. it represents the thermal energy in a system.
d. it represents the randomness of the products.

Explanation:

The symbol $\Delta H$ is the change in enthalpy of a reaction. Enthalpy change is related to the heat absorbed or released during a reaction under constant - pressure conditions.

Answer:

A. It represents the heat involved in a reaction.