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已知:CH4(g)+H2O(g)=CO(g)+3H2(g)△H=+206.2kJ•mol-1CH4(g)+CO2(g)=2CO(g)+2H2(g)△H=-247.4kJ•mol-1CH4(g)与H2O(g)反应生成CO2(g)和H2(g)的热化学方程式为.

题目详情
已知:CH4(g)+H2O(g)=CO(g)+3H2(g)△H=+206.2kJ•mol-1
CH4(g)+CO2(g)=2CO(g)+2H2(g)△H=-247.4kJ•mol-1
CH4(g)与H2O(g)反应生成CO2(g)和H2(g)的热化学方程式为______.
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答案和解析
①CH4(g)+H2O(g)=CO(g)+3H2(g)△H=+206.2kJ•mol-1②CH4(g)+CO2(g)=2CO(g)+2H2(g)△H=-247.4kJ•mol-1结合盖斯定律①×2-②得到CH4(g)与H2O(g)反应生成CO2(g)和H2(g)的热化学方程式为:CH4...