水煤气 (主要成分:CO、H2 ) 是重要燃料和化工原料,可用水蒸气通过炽热的炭层制得。己知:1.C (s) + H2O(g) CO (g) +H2 (g);△H =+131.3kJ•mol-1
2.C (s) + 12 O2(g)=CO (g);△H = -110.5kJ•mo1-1
3.CO(g) + 12 O2(g) =CO2 (g);△H =-283.0 kJ•mo1-1
4.H2 (g) + 12 O2 (g) =H2O (g);△H = -241.8kJ•mo1-1
5.H2 (g) + 12 O2 (g) =H2O (l);△H = -285.8kJ•mo1-1 (1)将2.4 g 炭转化为水煤气,再完全燃烧,整个过程的△H = ______kJ/mo1(2)由CO、H2在一定条件下获得汽油的替代品-甲醇,甲醇的燃烧热为726.5kj/mol,试写出由CO、H2生成甲醇的热化学方程式
2.C (s) + 12 O2(g)=CO (g);△H = -110.5kJ•mo1-1
3.CO(g) + 12 O2(g) =CO2 (g);△H =-283.0 kJ•mo1-1
4.H2 (g) + 12 O2 (g) =H2O (g);△H = -241.8kJ•mo1-1
5.H2 (g) + 12 O2 (g) =H2O (l);△H = -285.8kJ•mo1-1 (1)将2.4 g 炭转化为水煤气,再完全燃烧,整个过程的△H = ______kJ/mo1(2)由CO、H2在一定条件下获得汽油的替代品-甲醇,甲醇的燃烧热为726.5kj/mol,试写出由CO、H2生成甲醇的热化学方程式