1.

21 (A) The standard heats of formation of at 298 K for CCI,(g), H2O(g), CO2(g) and HCl(g) are-25.5, -57.8, -94.1 and -22.1 kcal mol1 respectively. Calculate A H for the reactionCCL(g)+ 2H20(g )CO2(g)+ 4HCI(g)Hint AH AH ProductsH1Reactants(B) Why of elements is zero?

Answer» 21 (A) The standard heats of formation of at 298 K for CCI,(g), H2O(g), CO2(g) and HCl(g) are-25.5, -57.8, -94.1 and -22.1 kcal mol1 respectively. Calculate A H for the reactionCCL(g)+ 2H20(g )CO2(g)+ 4HCI(g)Hint AH AH ProductsH1Reactants(B) Why of elements is zero?


Discussion

No Comment Found