优质解答
(1)①已知:①CH3OH(g)=HCHO(g)+H2(g)△H=+84kJ/mol;②2H2(g)+O2(g)=2H2O(g)△H=-484kJ/mol,将2×①+②得到CH3OH(g)与O2(g)反应生成HCHO(g)和H2O(g)的热化学方程式为2CH3OH(g)+O2(g)=2H...
(1)①已知:①CH3OH(g)=HCHO(g)+H2(g)△H=+84kJ/mol;②2H2(g)+O2(g)=2H2O(g)△H=-484kJ/mol,将2×①+②得到CH3OH(g)与O2(g)反应生成HCHO(g)和H2O(g)的热化学方程式为2CH3OH(g)+O2(g)=2H...