12CH3OHl3O2g的精选

问题详情：已知:2H2(g)+O2(g)2H2O(l)ΔH=-571.6kJ·mol-12CH3OH(l)+3O2(g)2CO2(g)+4H2O(l)ΔH=-1452kJ·mol-1H+(aq)+OH-(aq)H2O(l)ΔH=-57.3kJ·mol-1下列说法正确的是（  ）  A.H2(g)的燃烧热为571.6kJ·mol-1  B.H...