二、等压方程应用 例求甲烷转化反应的K0~7关系式,并求1000K时K0=? CH(g+H2o(g)=CO(g)+3H2(g) 解查表(29815K) △H △G b×103 Cxn k- mol-1 kJ. mol-l CH4(g)-7481 50.72 14.1575.496-17.99 H2O(g)-241.818-228.57230.0010.72.022 co(g -110.525-13716826.5377.6831-1.172 H2(g) 0 29090.836-0.3265 206.1031142.12469.657-76.0049178605 (△H° m (△G0, m 人庆卫实积二．等压方程应用 例 求甲烷转化反应的K p ~T关系式，并求1000K时K p =？ CH4 (g)+H2O(g) = CO(g)+3H2 (g) 解 查表（298.15K） CH4 (g) –74.81 –50.72 14.15 75.496 –17.99 H2O(g) –241.818 –228.572 30.00 10.7 –2.022 CO(g) –110.525–137.168 26.537 7.6831 –1.172 H2 (g) 0 0 29.09 0.836 –0.3265 fH m fG m a b103 c106 kJmol–1 kJmol–1  206.1031 142.124 69.657 –76.0049 17.8605 (rH m ) (rG m )