Multiple Choice
(Note that some of these are the same problems as found in the section headed Enthalpies of Atom Combination. However in this section all problems are worked using Enthalpies of Formation.)
-Calculate H ° for the following reaction from the data given below.
4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(g)
A) -105.5 kJ/molrxn
B) -905.4 kJ/molrxn
C) -1274.2 kJ/molrxn
D) -1996.2 kJ/molrxn
E) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
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