已知甲烷燃烧生成二氧化碳和液态水放出的热量为55.625 kJ·g^-1。下列热化学方程式中不正确的是（　　）

A．CH4(g)＋2O2(g)＝CO2(g)＋2H2O(l) △H ＝－890kJ/mol

B．CH4(g)+O2(g)=CO2(g)+H2O(l) △H＝－445kJ/mol

C．CO2(g)+H2O(l)=CH4(g)+O2(g) △H＝ +445kJ/mol

D．CH4(g)＋2O2(g)＝CO2(g)＋2H2O(l)；△H ＝－55.625kJ/mol