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

question 150

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.