Question

Gaseous hydrogen bromide decomposes at elevated temperatures according to the following equation: . At a certain temperature a 2.00 L flask is initially filled only with 0.600 mol of HBr. What is the value of Kc at that temperature if the flask contains 0.104 mol of H2 at equilibrium?
A) 7.04 10-2
B) 4.40 10-2
C) 3.00 10-2
D) 2.10 10-1

Answer

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