1.Consider the chemical reaction: N2+ 3H2 yields 2NH3. The equilibrium constant is K = 6.0 x 10-2, and concentrations are as follows [H2] = 2.5 x 10-1 M, [N2] = 4.0 M, and [NH3] = 1.0 x 10-4 M. Is the reaction at equilibrium? If not, which direction would it shift?

Chemistry for Engineering Students
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Chapter12: Chemical Equilibrium
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Questions from Lab: Equilibrium and Le Chatelier's Principle

1.Consider the chemical reaction: N2+ 3H2 yields 2NH3. The equilibrium constant is K = 6.0 x 10-2, and concentrations are as follows [H2] = 2.5 x 10-1 M, [N2] = 4.0 M, and [NH3] = 1.0 x 10-4 M. Is the reaction at equilibrium? If not, which direction would it shift? Show your calculations.

 

2. Given this reaction at equilibrium, C(s) + CO2(g) D 2CO(g) (∆H° = 119kJ), explain the changes that would occur when the following stresses are applied:

a.CO is removed.

b.Heat is removed.

c.CO2 is added.

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