A Sample of Solid NH₄NO₃ Was Placed in an Evacuated

question 61

Multiple Choice

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 atm at a temperature of 500.°C.Calculate K_p.

• A) 1.64
• B) 0.822
• C) 2.98
• D) 80.5
• E) 0.745

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