We are asked what is ΔH for the reaction 2 B → 3 C.
Modify the equation in such way that it adds up to be the target reaction.
A → 2 B; ΔH1
A → 3 C; ΔH2
Reaction Modification
2 B →A -Eqn1 [reversed]
A → 3 C + Eqn2 [no change]
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2 B → 3 C
Consider the reactions:
A → 2 B; ΔH1
A → 3 C; ΔH2
What is ΔH for the reaction 2 B → 3 C?
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