Consider the Following Two Reactions: a → 2B ΔH°_rxn =

Multiple Choice

Consider the following two reactions: A → 2B ΔH°_rxn = 456.7 kJ/mol
A → C ΔH°_rxn = -22.1 kJ/mol
Determine the enthalpy change for the process:
2B → C

A) -478.8 kJ/mol
B) -434.6 kJ/mol
C) 434.6 kJ/mol
D) 478.8 kJ/mol
E) More information is needed to solve the problem.