![Calculate the standard enthalpy change, ΔΗ0rn, în k] for the following chemical equation, using only the thermochemical equat](http://img.homeworklib.com/images/9ad325ae-a37f-4429-966a-9201a474f460.png?x-oss-process=image/resize,w_560)
Homework Answers
multiply first equation with 12
6N2 + 6O2 ------------> 12NO 
revers and multiply with 12 for second equation
12NO2 ------------> 6N2 + 12O2 
multiply last equation with 3
12NH3 + 21O2 ------------> 12NO2 + 18H2O 
add all 3 above equations
6N2 + 6O2 ------------> 12NO 
12NO2 ------------> 6N2 + 12O2 
12NH3 + 21O2 ------------> 12NO2 + 18H2O 
-------------------------------------------------------------------------------------------------
12NH3 + 15O2 -----------> 12NO + 18H2O 
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