Calculate ΔH° for the reaction C4H4(g) + 2H2(g) → C4H8(g), usingthe 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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