ttoriig ttoriig 11-11-2022 Chemistry contestada Given the thermochemical equations X₂ + 3 Y₂ → 2XY3 ΔH1= -340kJ X₂ + 2Z₂ → 2XZ₂ ΔH2= -170 kJ 2Y2 + Z2 → 2Y₂Z ΔH3= -260 kJ Calculate the change in enthalpy for the reaction. 4XY3 +7Z₂ → 6Y₂Z + 4 XZ₂ ΔH= ____ kJ