有关焓变的问题比如:H2+1/2O2=H2O;△H=xKJ/mol和2H2+O2=2H2O;△H=2xKJ/mol为什么两者焓变不一样,从焓变的单位看是1mol放出xKJ热和1mol放出2xKJ热,不是有矛盾吗
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![有关焓变的问题比如:H2+1/2O2=H2O;△H=xKJ/mol和2H2+O2=2H2O;△H=2xKJ/mol为什么两者焓变不一样,从焓变的单位看是1mol放出xKJ热和1mol放出2xKJ热,不是有矛盾吗](/uploads/image/z/1416765-21-5.jpg?t=%E6%9C%89%E5%85%B3%E7%84%93%E5%8F%98%E7%9A%84%E9%97%AE%E9%A2%98%E6%AF%94%E5%A6%82%EF%BC%9AH2%2B1%2F2O2%3DH2O%3B%E2%96%B3H%3DxKJ%2Fmol%E5%92%8C2H2%2BO2%3D2H2O%3B%E2%96%B3H%3D2xKJ%2Fmol%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%A4%E8%80%85%E7%84%93%E5%8F%98%E4%B8%8D%E4%B8%80%E6%A0%B7%2C%E4%BB%8E%E7%84%93%E5%8F%98%E7%9A%84%E5%8D%95%E4%BD%8D%E7%9C%8B%E6%98%AF1mol%E6%94%BE%E5%87%BAxKJ%E7%83%AD%E5%92%8C1mol%E6%94%BE%E5%87%BA2xKJ%E7%83%AD%2C%E4%B8%8D%E6%98%AF%E6%9C%89%E7%9F%9B%E7%9B%BE%E5%90%97)
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