已知下列两个热化学方程式:2H2 ( g ) + O2 ( g ) = 2H2O ( l ) △H = -571.6 kJ/molCH4 ( g ) + 2O2 ( g ) = 2H2O ( l ) + CO2 ( g ) △H = -890.3 kJ/mol实验测得氢气和甲烷的混合气体共4 mol,完全燃烧时放热为2605.1 kJ,
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![已知下列两个热化学方程式:2H2 ( g ) + O2 ( g ) = 2H2O ( l ) △H = -571.6 kJ/molCH4 ( g ) + 2O2 ( g ) = 2H2O ( l ) + CO2 ( g ) △H = -890.3 kJ/mol实验测得氢气和甲烷的混合气体共4 mol,完全燃烧时放热为2605.1 kJ,](/uploads/image/z/3434847-15-7.jpg?t=%E5%B7%B2%E7%9F%A5%E4%B8%8B%E5%88%97%E4%B8%A4%E4%B8%AA%E7%83%AD%E5%8C%96%E5%AD%A6%E6%96%B9%E7%A8%8B%E5%BC%8F%EF%BC%9A2H2+%28+g+%29+%2B+O2+%28+g+%29+%3D+2H2O+%28+l+%29+%E2%96%B3H+%3D+%EF%BC%8D571.6+kJ%2FmolCH4+%28+g+%29+%2B+2O2+%28+g+%29+%3D+2H2O+%28+l+%29+%2B+CO2+%28+g+%29+%E2%96%B3H+%3D+%EF%BC%8D890.3+kJ%2Fmol%E5%AE%9E%E9%AA%8C%E6%B5%8B%E5%BE%97%E6%B0%A2%E6%B0%94%E5%92%8C%E7%94%B2%E7%83%B7%E7%9A%84%E6%B7%B7%E5%90%88%E6%B0%94%E4%BD%93%E5%85%B14+mol%2C%E5%AE%8C%E5%85%A8%E7%87%83%E7%83%A7%E6%97%B6%E6%94%BE%E7%83%AD%E4%B8%BA2605.1+kJ%2C)
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