5 60 Consider the following hypothetical reactions CQ A B B

Last updated: 5/10/2023

5 60 Consider the following hypothetical reactions CQ A B B C AH 30 kJ AH 60 kJ a Use Hess s law to calculate the enthalpy change for the reaction AC b Construct an enthalpy dia gram for substances A B and C and show how Hess s law applies 5 61 Calculate the enthalpy change for the reaction PO s 2O g P4O10 s given the following enthalpies of reaction P s 3 O 8 P406 s P4 s 5O g P4010 s 5 62 From the enthalpies of reaction 2 H g O g 2 H O g 3 O g 2 03 g calculate the heat of the reaction 062 1300 0 kJ AH 1640 1 kl AH 2940 1 kJ AH 483 6 kJ AH 284 6 kJ 3H O g 867 7 kJ