Question

16. You have a series of four chemical reactions (1--> 2 --> 3 --> 4). How do you calculate the H2 if you know the other H values?

H2 = (H1)(H3)/(H4)
H2 = H4 (H1 + H3)
H2 = H1 + H3 + H4
H2 = H1 + H3 H4

Answer 1

A
H2= (H1)(H3)/(H4)

Answer 2

ΔH2 = ΔH4 - (ΔH1 + ΔH3)