A.\(\rm{H_{2}}\)\(\rm{(g)+Cl}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)═2HCl(g)}\) \(\rm{ΔH=-184.6 kJ·mol}\)\(\rm{{\,\!}^{-1}}\) |
B.\(\rm{CH_{4}}\)\(\rm{(g)+2O}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)═CO}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)+2H}\)\(\rm{{\,\!}_{2}}\)\(\rm{O(g)}\)\(\rm{ΔH=-802.3 kJ·mol}\)\(\rm{{\,\!}^{-1}}\) |
C.\(\rm{2H_{2}}\)\(\rm{(g)+O}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)═2H}\)\(\rm{{\,\!}_{2}}\)\(\rm{O(l)}\)\(\rm{ΔH=-571.6 kJ·mol}\)\(\rm{{\,\!}^{-1}}\) |
D.\(\rm{CO(g)+1/2O_{2}}\)\(\rm{(g)═CO}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)}\)\(\rm{ΔH=-283 kJ·mol}\)\(\rm{{\,\!}^{-1}}\) |