For a chemical reaction that has an enthalpy change of
CHEMISTRY · Single correct · A Level · Chemistry · Energetics · Energetics
Problem
For a chemical reaction that has an enthalpy change of ΔH∘, which of the following describes what happens to ΔH∘ if every stoichiometric coefficient in the balanced equation is multiplied by 3?
(a) ΔH∘ is divided by 3.
(b) ΔH∘ is multiplied by 3.
(c) ΔH∘ is unchanged.
(d) ΔH∘ changes sign but retains the same magnitude.