优质解答
(1)由图可得热化学方程式:①CO(g)+2H2(g)=CH3OH(g)△H=-91kJ/mol,又已知:②CO(g)+12O2(g)═CO2(g)△H=-280kJ/mol③H2(g)+12O2(g)═H2O(l)△H=-284 kJ/mol根据盖斯定律,③×2+②-①可得:CH3...
(1)由图可得热化学方程式:①CO(g)+2H2(g)=CH3OH(g)△H=-91kJ/mol,又已知:②CO(g)+12O2(g)═CO2(g)△H=-280kJ/mol③H2(g)+12O2(g)═H2O(l)△H=-284 kJ/mol根据盖斯定律,③×2+②-①可得:CH3...