Textbook Question
Write the expression for πΎπ for the following reactions. In each case indicate whether the reaction is homogeneous or heterogeneous.
(e) 2Ag(π ) + Zn2+(ππ) β 2 Ag+(ππ) + Zn(π )
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Ch.15 - Chemical Equilibrium
Chapter 15, Problem 18b
Which of the following reactions lies to the right, favoring the formation of products, and which lies to the left, favoring the formation of reactants? (b) 2 HBr(π) β H2(π) + Br2(π) πΎπ = 5.8Γ10β18
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Chemical Equilibrium
Chemical equilibrium occurs when the rates of the forward and reverse reactions are equal, resulting in constant concentrations of reactants and products. The position of equilibrium can shift to favor either reactants or products based on conditions such as concentration, temperature, and pressure.
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04:21
Chemical Equilibrium Concepts
Equilibrium Constant (Kc)
The equilibrium constant (Kc) quantifies the ratio of the concentrations of products to reactants at equilibrium for a given reaction at a specific temperature. A large Kc value (greater than 1) indicates that products are favored, while a small Kc value (less than 1) suggests that reactants are favored.
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03:20Equilibrium Constant Expressions
Le Chatelier's Principle
Le Chatelier's Principle states that if a dynamic equilibrium is disturbed by changing the conditions, the system will adjust to counteract the change and restore a new equilibrium. This principle helps predict how changes in concentration, temperature, or pressure will affect the position of equilibrium.
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07:32Le Chatelier's Principle
Related Practice
Textbook Question
Write the expressions for πΎπ for the following reactions. In each case indicate whether the reaction is homogeneous or heterogeneous.
(b) Ti(π ) + 2Cl2(π) β TiCl4(π)
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Textbook Question
Write the expressions for πΎπ for the following reactions. In each case indicate whether the reaction is homogeneous or heterogeneous. (g) 2 C8H18(π) + 25 O2(π) β 16 CO2(π) + 18 H2O(π)
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Textbook Question
Which of the following statements are true and which are false? (c) As the value of the equilibrium constant increases, the speed at which a reaction reaches equilibrium must increase.
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Textbook Question
If πΎπ = 0.042 for PCl3(π) + Cl2(π) β PCl5(π) at 500 K, what is the value of πΎπ for this reaction at this temperature?
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Textbook Question
Consider the following equilibrium: 2 H2(π) + S2(βπ) β 2 H2S(π) πΎπ = 1.08Γ107 at 700Β°C (c) Calculate the value of πΎπ if you rewrote the equation H2(π) + 1/2 S2(βπ) β H2S(π)
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