CH4(g)+2O2(g)=2H2O(l)+CO2(g) △ H=-830.CH4(g)+2O2(g)=2H2O(l)+CO2(g)△ H=-830.32H2O(l)=2H2(g)+O2(g)△ H=+517.61g H2和1g甲烷分别燃烧后,放出热量之比 为什么是 2.3 比1
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![CH4(g)+2O2(g)=2H2O(l)+CO2(g) △ H=-830.CH4(g)+2O2(g)=2H2O(l)+CO2(g)△ H=-830.32H2O(l)=2H2(g)+O2(g)△ H=+517.61g H2和1g甲烷分别燃烧后,放出热量之比 为什么是 2.3 比1](/uploads/image/z/14167002-66-2.jpg?t=CH4%28g%29%2B2O2%28g%29%3D2H2O%28l%29%2BCO2%28g%29+%E2%96%B3+H%3D-830.CH4%28g%29%2B2O2%28g%29%3D2H2O%28l%29%2BCO2%28g%29%E2%96%B3+H%3D-830.32H2O%28l%29%3D2H2%28g%29%2BO2%28g%29%E2%96%B3+H%3D%2B517.61g+H2%E5%92%8C1g%E7%94%B2%E7%83%B7%E5%88%86%E5%88%AB%E7%87%83%E7%83%A7%E5%90%8E%2C%E6%94%BE%E5%87%BA%E7%83%AD%E9%87%8F%E4%B9%8B%E6%AF%94+%E4%B8%BA%E4%BB%80%E4%B9%88%E6%98%AF+2.3+%E6%AF%941)
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