When 4.00 mol HI was placed in a 5.00 L vessel, the equilibrium mixture was found to contain 0.442 mol I 2 . What is the value of K c for the decomposition of HI?

2HBr ↔ H 2 + Br 2 The equilibrium constant for this reaction is 1.6 x 10 -2. What are the moles of each substance at equilibrium if we start with 0.010 moles of HBr in a 1.0 L vessel?

N 2 O 4 ↔ 2NO 2 The equilibrium constant is 0.125. What percentage of dinitrogen tetroxide is dissociated when 0.0600 mol N 2 O 4 is placed in a 2.00 L vessel?

When 0.112 mol of NO and 18.22 g of bromine are placed in a 1.00 L reaction vessel, the mixture is allowed to reach equilibrium: 2NO + Br 2 ↔ 2NOBr The equilibrium concentration of nitrosyl bromide is 0.0824 M, what is K c ?

A 4.00 L vessel contains 2.00 mol N 2 , 2.00 mol H 2 , and 4.00 mol NH 3 . What is the direction of the reaction needed to reach equilibrium? K c is 0.51.

N 2 + 3H 2 ↔ 2NH 3

The equilibrium constant for the reaction: H 2(g) + I 2(g) ↔ 2HI (g) is 51. Predict how the reaction will proceed to reach equilibrium if we start with 2.0 x 10 -2 mol of HI, 1.0 x 10 x 10 -2 -2 mol of I 2 mol of H 2 , and 3.0 in a 2.0 L vessel.

Consider the reaction system: CO (g) + H 2 O (g) ↔ CO 2(g) + H 2(g) Suppose you start with 1.00 mol each of carbon monoxide and water in a 50.0 L vessel. How many moles of each substance are in the equilibrium mixture? The equilibrium constant K c is 0.58.