Question

2. Solid ammonium iodide decomposes to yield ammonia gas(NH3) and hydrogen iodide gas at 400oF. The equilibrium constant for this reaction is 0.215. Ten grams of ammonium iodide are sealed in a 10.0 L flask at equilibrium. Complete the following:

a. Write a balanced reaction




b. What is the total pressure in the flask at equilibrium?




c. How much ammonium iodide decomposes?








NH4I ==> NH3 +HI

Is that 0.215 = Kc or Kp?

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