Question

What is the heat of reaction for the process described in (a)? Hint: Apply Hess's law using the data in (b).

Answer 1

missing the process described in (a)

Answer 2

any clue?
you have to reorganize and add the reactions to obtain the process described in (a)

remember if you reverse some of the reactions the delta H change the sign, and if you multiply some of the reactions the delta H of that reaction has to be multiply by the same number

Answer 3

here it is an example

Answer 4

other example