490kJm的知识精选

    (1)已知:①CH3OH(g)+H2O(g)===CO2(g)+3H2(g) ΔH=+49.0kJ/m...
问题详情:    (1)已知:①CH3OH(g)+H2O(g)===CO2(g)+3H2(g)ΔH=+49.0kJ/mol②CH3OH(g)+3/2O2(g)===CO2(g)+2H2O(g)ΔH=-192.9kJ/mol由上述方程式可知:CH3OH的燃烧热________(填“大于”“等于”或“小于”)192.9kJ/mol。已知...
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