- 问题详情:已知热化学方程式: H2O(g)=H2(g)+1/2O2(g) △H=+241.8kJ/mol H2(g)+1/2O2(g)=H2O(1) △H=-285.8kJ/mol 当1g液态水变为水蒸气时,其热量变化是 A.吸热88kJ B.吸热2.44KJ C.放热44kJ ...
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- 问题详情:已知热化学方程式: H2O(g)=H2(g)+1/2O2(g) △H=+241.8kJ/mol H2(g)+1/2O2(g)=H2O(1) △H=-285.8kJ/mol 当1g液态水变为水蒸气时,其热量变化是( )A.吸热88kJ B.吸热2.44KJ C.放热44kJ D.吸热44K...
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