关于CH3OHg32O2gCO2g2H2Og的百科

•  已知：①CH3OH(g)+3/2O2(g)=CO2(g)+2H2O(g) △H=-akJ•mol-1②CH4...

• 问题详情： 已知：①CH3OH(g)+3/2O2(g)=CO2(g)+2H2O(g) △H=-akJ•mol-1②CH4(g)+2O2(g)=CO2(g)+2H2O(g) △H=-bkJ•mol-1③CH4(g)+2O2(g)=CO2(g)+2H2O(l) △H=-ckJ•mol-1则下列叙述正确的是（    ）A.由上述热化学方程式可知b>cB.**的燃烧热为bkJ•mol-1C.2CH3OH(g)=2C...
• 2019-06-1617194

• 已知：①CH3OH(g)+3/2O2(g)=CO2(g)+2H2O(g)   △H=－akJ·mol－1②CH...

• 问题详情：已知：①CH3OH(g)+3/2O2(g)=CO2(g)+2H2O(g)   △H=－akJ·mol－1②CH4(g)+2O2(g)=CO2(g)+2H2O(g)        △H=－bkJ·mol－1③CH4(g)+2O2(g)=CO2(g)+2H2O（1）      △H=－ckJ·mol－1则下列叙述正确的是（  ）A．由上述热化学方程式可知b>c          B．2CH3...
• 2021-03-274800