QUESTION 1 Which equation involves using enthalpy of formation (AHC) values? Choose the best answer.
A) AH = En AHproducts - En AHreactants
B) q = CAT
C) AE-9+w
D) q-mCSAT

QUESTION 2
Calculate AHrxn of the following reaction:
2 NO(g) + 2 H2 (g) - N2(g) + 2 H20 (g) AHrxn = ???
Given the following AHf values:
NO (g) AH = 90, k]
H20 (1) AH = -286 kJ
H20 (g) AH = -242 kJ
A) -148 kJ
B) -752 kJ
C) -304 kJ
D) -664 kJ