A . CO(g)+2H2(g)CH3OH(g)ΔH=+127.4kJ·mol-1B . CO(g)+2H2(g)CH3OH(l)ΔH=+127.4kJ·mol-1C . CO(g)+2H2(g)CH3OH(g)ΔH=-127.4kJ·mol-1D . CO(g)+2H2(g)CH3OH(l)ΔH=-127.4kJ·mol-1
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