3.40化学反应如下:-|||-(H)_(4)(g)+C(O)_(2)(g)=!=!= 2CO(g)+2(H)_(2)(g)-|||-(1)利用附录中各物质的Sm, Delta t(F)_(m)^theta 数据,求上述反应在25℃时的 (Delta )_(r)(S)_(m), Delta (C)_(n);-|||-(2)利用附录中各物质的 Delta (G)_(m) 数据,求上述反应在25℃时的 (Delta )_(1)(G)_(m)-|||-(3)25℃,若始态CH4(g)和CO2(g)的分压均为150 kPa,末态CO(g)和H2(g)的分压均为-|||-50kPa,求反应的 Delta (S)_(m), (Delta )_(1)G(m)_(n)