hannahpalmario hannahpalmario 26-04-2020 Chemistry contestada If 20.00 mol of hydrogen gas completely reacted with 20.00 mol of chlorine gas at constant pressure, releasing 3700 kJ of heat, which of the following thermochemical equations is correct? H2(g) + Cl2(g) => 2HCl (g); AH° = -185 kJ H2(8) + Cl2(8) => 2HCl (g); AH° = +185 kJ H2(g) + Cl2(g) => 2HCl (g); AH° = +370 kJ H2(g) + Cl2(g) => 2HCl (g); AH° = -3700 kJ H2(g) + Cl2(g) => 2HCl (g); AH° = -1850 kJ