Which equation is a correctly written thermochemical equation?

• CH12 (g) +802 (g) +5C02 (g) + 6H, O (1), AH= -3,536.1 kJ/mol

NH, Cl → NH, + + C1-

• CzH(g) + O2 (g) → CO2 (g)+H,O (1), AH= -2, 220 kJ/mol

2C,H18 +250, +16CO2 +18H,O, AH= -5,471 kJ/mol