A Sample of Solid NH₄NO₃ Was Placed in an Evacuated

question 80

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:

At equilibrium the total pressure in the container was found to be 2.81 atm at a temperature of 500.°C.Calculate K_p.

• A) 1.75
• B) 0.877
• C) 3.29
• D) 88.8
• E) 0.822

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