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Calculate ΔH° for the reaction C4H4(g) + 2H2(g) → C4H8(g), using the following data: ΔH°combustion for...

Calculate ΔH° for the reaction C4H4(g) + 2H2(g) → C4H8(g), using the following data:

ΔH°combustion for C4H4(g) = –2341 kJ/mol

ΔH°combustion for H2(g) = –286 kJ/mol

ΔH°combustion for C4H8(g) = –2755 kJ/mol

A) –128 kJ

B) 158 kJ

C) –158 kJ

D) 128 kJ

E) None of these choices are correct.

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