赚现金
1,3-丁二烯和2-丁炔分别与氢气反应的热化学方程式如下: CH2=CH-CH=CH2(g)+2H2(g)→CH3CH2CH2CH3(g) △H=+236.6KJ/mol CH3-C≡C-CH3(g)+2H2(g)→CH3CH2CH2CH3(g) △H=+272.7KJ/mol
由此不能判断
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