甲醇质子交换膜燃料电池中将甲醇蒸气转化为氢气的两种反应原理是①CH3OH(g)+H2O(g)CO2(g)+3H2(g) ΔH="+49.0" kJ·mol-1②CH3OH(g)+O2(g)CO2(g)+2H2(g) ΔH="-192.9" kJ·mol-1下列说法正确的是( )
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