Textbook Question
Consider the reaction: SO2Cl2(g) ⇌ SO2(g) + Cl2(g) Kc = 2.99⨉10-7 at 227 °C If a reaction mixture initially contains 0.175 M SO2Cl2, what is the equilibrium concentration of Cl2 at 227 °C?
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Ch.16 - Chemical Equilibrium
Chapter 16, Problem 68b
Consider this reaction at equilibrium: 2 BrNO(g) ⇌ 2 NO(g) + Br2(g) Predict whether the reaction will shift left, shift right, or remain unchanged after each disturbance. b. BrNO is added to the reaction mixture.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Le Chatelier's Principle
Le Chatelier's Principle states that if a dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change. This means that if a reactant or product is added or removed, the system will adjust to restore equilibrium, either by favoring the forward or reverse reaction.
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07:32
Le Chatelier's Principle
Equilibrium Constant (K)
The equilibrium constant (K) is a numerical value that expresses the ratio of the concentrations of products to reactants at equilibrium for a given reaction at a specific temperature. It provides insight into the extent of the reaction and helps predict the direction of the shift when the system is disturbed.
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01:14Equilibrium Constant K
Concentration Changes
Changes in concentration of reactants or products can significantly affect the position of equilibrium. When the concentration of a reactant, such as BrNO, is increased, the system will respond by shifting the equilibrium to the right, favoring the formation of products (NO and Br2) to reduce the disturbance.
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01:53Chemical Changes
Related Practice
Textbook Question
Consider the reaction: A(g) ⇌ B(g) + C(g) Find the equilibrium concentrations of A, B, and C for each value of Kc. Assume that the initial concentration of A in each case is 1.0 M and that the reaction mixture initially contains no products. Make any appropriate simplifying assumptions. b. Kc = 0.010
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Textbook Question
Consider this reaction at equilibrium: 2 BrNO(g) ⇌ 2 NO(g) + Br2(g) Predict whether the reaction will shift left, shift right, or remain unchanged after each disturbance. a. NO is added to the reaction mixture.
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Textbook Question
Consider this reaction at equilibrium: 2 BrNO(g) ⇌ 2 NO(g) + Br2(g) Predict whether the reaction will shift left, shift right, or remain unchanged after each disturbance. c. Br2 is removed from the reaction mixture.
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Textbook Question
Consider this reaction at equilibrium:
C(s) + H2O(g) ⇌ CO(g) + H2(g)
Predict whether the reaction will shift left, shift right, or remain unchanged after each disturbance.
a. C is removed from the reaction mixture.
Textbook Question
Each reaction is allowed to come to equilibrium, and then the volume is changed as indicated. Predict the effect (shift right, shift left, or no effect) of the indicated volume change. a. I2( g) ⇌ 2 I( g) (volume is increased) b. 2 H2S( g) ⇌ 2 H2( g) + S2(g) (volume is decreased) c. I2(g) + Cl2(g) ⇌ 2 ICl(g) (volume is decreased)
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