ΔH

Definition

ΔH represents the change in enthalpy, specifically the difference between the enthalpy of products and reactants for a reaction. It indicates whether heat is released (-ΔH) or absorbed (+ΔH).

Related terms

Exothermic Reaction:

A chemical reaction where heat is released to the surroundings. (-ΔH)

Endothermic Reaction:

A chemical reaction where heat is absorbed from the surroundings. (+ΔH)

Thermochemistry: The branch of chemistry that studies the relationship between heat and chemical reactions.