Chemical Equilibrium Constant K - Ice Tables - Kp and Kc | Summary and Q&A

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March 29, 2021
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The Organic Chemistry Tutor
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Chemical Equilibrium Constant K - Ice Tables - Kp and Kc

TL;DR

Chemical equilibrium occurs when the rate of the forward reaction is equal to the rate of the reverse reaction, resulting in constant concentrations of reactants and products.

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Key Insights

  • ☠️ Equilibrium occurs when the rate of the forward reaction is equal to the rate of the reverse reaction, resulting in constant concentrations of reactants and products.
  • ❓ Equilibrium is a dynamic process, meaning the reaction is still occurring even though the concentrations of reactants and products remain constant.
  • 🛀 Concentration profile graphs can be used to visualize equilibrium, showing the change in concentrations of reactants and products over time.

Transcript

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Questions & Answers

Q: What is chemical equilibrium?

Chemical equilibrium refers to a reversible reaction where the rate of the forward reaction is equal to the rate of the reverse reaction, resulting in constant concentrations of reactants and products.

Q: How is equilibrium related to dynamic processes?

Equilibrium is a dynamic process because even though the system is at equilibrium, the reaction is still occurring. Reactants are converting into products and vice versa, but the concentrations of reactants and products remain constant.

Q: How can equilibrium be visualized?

Equilibrium can be visualized using a concentration profile graph, where the concentration of reactants decreases over time and the concentration of products increases until they reach a constant value. At this point, equilibrium is achieved.

Q: What is the equilibrium constant, K?

The equilibrium constant, represented by K, is the ratio of the concentrations of products to the concentrations of reactants raised to the power of their respective coefficients in the balanced chemical equation.

Summary & Key Takeaways

  • Equilibrium in chemistry refers to a reversible reaction where the rate of the forward reaction is equal to the rate of the reverse reaction, resulting in constant concentrations of reactants and products.

  • Equilibrium is a dynamic process, as the reaction is still occurring even though the concentrations of reactants and products do not change.

  • A concentration profile graph can be used to visualize equilibrium, with the concentration of reactants decreasing over time and the concentration of products increasing, until they reach a constant value.

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