Assignment:
Given the following thermochemical equations
2KCl(s) + 3O2(g) .......2KClO3(s) Change in H = 78.0kJ
P4(s) + 6Cl2(g)..........4PCl3(g) Change in H = -1148.0kJ
P4(s) + 2O2(g) + 6Cl2(g).........4POCl3(g) Change in H = -2168.8kJ
Calculate change in H for the reaction
KClO3(s) + 3PCl3(g)..........3POCl3 + KCl(s)
Provide complete and step by step solution for the question and show calculations and use formulas.