判断反应 _(2)(H)_(5)OH(g)=(C)_(2)(H)_(4)(g)+(H)_(2)O(g)-|||-已知 Delta (H)_(m)O(kJ/mol) -235.3 52.28 -241.8-|||-_(m)^0(J/(molcdot K)) 282 219.5 188.7-|||-(a)298.15K时标准状态下能否自发进行?-|||-(b) 633.15K时标准状态下能否自发进行?-|||-(c)在标准状态下求该反应能自发进行的最低温度

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