Enthalpy Changes Flashcards
1
Q
what is it
A
Enthalpy change (Δ 𝐻)
refers to the heat absorbed or released by a system during a process at constant pressure. It is given by the equation: Δ𝐻 = 𝐻final - 𝐻 initial
2
Q
Endothermic Reaction
A
An endothermic reaction absorbs heat from its surroundings.
ΔH is positive.
3
Q
Exothermic Reaction
A
An exothermic reaction releases heat into its surroundings.
ΔH is negative.
