9
QuizMultiple Choice
Thermochemical Equations
Question 9 of 10 • SS - TX - Chemistry B
Ammonia (NH3 (g), Hf = –45.9 kJ/mol ) reacts with oxygen to produce nitrogen and water (H2 O(g), Hf = –241.8 kJ/mol) according to the equation below.What is the enthalpy of the reaction? Use .
Answer
A
–3,572.1 kJB
–1,267.2 kJC
1,267.2 kJD
3,572.1 kJ