Question

. A sample of solid NH4NO3 was placed in an evacuated container and then heated so that it decomposed explosively according to the following equation:

NH4NO3(s)  N2O(g) + 2H2O(g)

At equilibrium, the total pressure in the container was found to be 2.72 bar at a temperature of 500.°C. Calculate Kp.

 

a. 

1.64

b. 

0.822

c. 

2.98

d. 

80.5

e. 

0.745

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