高二上学期化学题(天津) 关于燃烧的有关计算已知 2H2(g)+O2(g)=2H2O(l) ΔH=-571.6 kJ/mol.C3H8(g)+5O2(g)=3CO2(g)+4H2O(l) ΔH=-2220 kJ/mol.设有氢气合并玩的混合气体5 mol,完全燃烧放出热量为3847 kJ,则混合气体
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![高二上学期化学题(天津) 关于燃烧的有关计算已知 2H2(g)+O2(g)=2H2O(l) ΔH=-571.6 kJ/mol.C3H8(g)+5O2(g)=3CO2(g)+4H2O(l) ΔH=-2220 kJ/mol.设有氢气合并玩的混合气体5 mol,完全燃烧放出热量为3847 kJ,则混合气体](/uploads/image/z/4554573-69-3.jpg?t=%E9%AB%98%E4%BA%8C%E4%B8%8A%E5%AD%A6%E6%9C%9F%E5%8C%96%E5%AD%A6%E9%A2%98%EF%BC%88%E5%A4%A9%E6%B4%A5%EF%BC%89+%E5%85%B3%E4%BA%8E%E7%87%83%E7%83%A7%E7%9A%84%E6%9C%89%E5%85%B3%E8%AE%A1%E7%AE%97%E5%B7%B2%E7%9F%A5+2H2%28g%29%2BO2%28g%29%3D2H2O%28l%29+%CE%94H%3D-571.6+kJ%2Fmol.C3H8%28g%29%2B5O2%28g%29%3D3CO2%28g%29%2B4H2O%28l%29+%CE%94H%3D-2220+kJ%2Fmol.%E8%AE%BE%E6%9C%89%E6%B0%A2%E6%B0%94%E5%90%88%E5%B9%B6%E7%8E%A9%E7%9A%84%E6%B7%B7%E5%90%88%E6%B0%94%E4%BD%935+mol%2C%E5%AE%8C%E5%85%A8%E7%87%83%E7%83%A7%E6%94%BE%E5%87%BA%E7%83%AD%E9%87%8F%E4%B8%BA3847+kJ%2C%E5%88%99%E6%B7%B7%E5%90%88%E6%B0%94%E4%BD%93)
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