已知2H2(g)+O2(g)=2H2O(1)^H=_571.6kj·mol·-1CO(g)+1/2O2(g)==CO2(

已知2H2(g)+O2(g)=2H2O(1)^H=_571.6kj·mol·-1CO(g)+1/2O2(g)==CO2( 已知;2H2(g)+O2(g)=2H2O(l)△H=-571.6kJ•mol-1 CO(g)+1/2O2(g 已知2H2(g)+O2=2H2O(l)△H=-571.6kJ/mol,CO(g)+1/2O2(g)=-285.8kJ/m 已知：CH4（g）+2O2（g）=CO2(g)+2H2O（l）△H=-890.3 KJ*mol-1H2(g)+0.5O2 H2(g)+1/2O2(g)=H2O(l) 焓变= -282.8KJ/mol CO(g)+1/2O2(g)=CO2(g) 已知H2+1/2O2=H2O(l) 焓变= -285.83KJ/mol,CO(g)+1/2O2(g)=CO2(g) 焓变 求详解.已知CH4(g)+2O2(g)=CO2(g)+2H2O(l)；ΔH=-890 kJ·mol-1,现有CH4和CO H2(g)+1/2O2(g)==H2O(g) △H=+242KJ/mol , 2H2(g)+O2(g)==2H2O(g) 已知热化学方程式 C(g)+O2(g)=CO2(g)； △H=-393.5kJ/mol H2(g)+1/2O2(g)=h 已知2H2(g)+O2(g)=2H2O(l);dertaH=—571.6kj/mol,CO(g)+1/2O2(g)=CO 已知热化学方程式:H2O(g)=H2(g) O2(g) △H= 241.8kJ·mol-1; H2(g) O2(g)=H 已知2H2（g）+O2（g）==2H2O（l） △H=-571.6KJ/mol CO(g)+1/2O2（g）==CO2（