40. 使用以下數據計算反應 C4H4(g) + 2H2(g) → C4H8(g)的 ΔH° (kJ)?
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) –158
(B) 158
(C) –128
(D) 128
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統計: A(258), B(96), C(14), D(21), E(0) #2913213
統計: A(258), B(96), C(14), D(21), E(0) #2913213