shay1188 shay1188 30-05-2023 Chemistry contestada 20 points!! Find ∆H using Hess’s Law. Show your work. PCI5(g) →PCI3(g) + Cl₂(g) a. P4(s) + 6Cl₂(g) → 4PCl3(g); ∆H = -2439 kJ b. P4(s) + 10Cl₂(g) → 4PCI5(g); ∆H = -3438 kJ
