Ammonium iodide, NH4I decomposes to ammonia, NH3 and hydrogen iodide, HI when heated at 673 K. NH4I(s) ⇌ NH3(g) + HI(g) A mass of 30.0 g of NH4I is sealed in a 5.0 L flask. When the system has reached equilibrium, 19.1 g of NH4I remain unreacted in the flask. What is the  Kc for the reaction?

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Ammonium iodide, NH4I decomposes to ammonia, NH3 and hydrogen iodide, HI when heated at 673 K.

NH4I(s) ⇌ NH3(g) + HI(g)

A mass of 30.0 g of NH4I is sealed in a 5.0 L flask. When the system has reached equilibrium, 19.1 g of NH4I remain unreacted in the flask. What is the  Kc for the reaction?

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