7
QuizMultiple Choice
Reaction Rate
Question 7 of 25 • FPS Conceptual Science B
Ammonia, NH3 (Hf = –45.9 kJ), reacts with oxygen to produce water (Hf = –241.8 kJ) and nitric oxide, NO (Hf = 91.3 kJ), in the following reaction:What is the enthalpy change for this reaction? Use .
Answer
A
–902 kJB
–104.6 kJC
104.6 kJD
900.8 kJ