What is the significance of the equilibrium constant (K) in thermodynamics?

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Question: What is the significance of the equilibrium constant (K) in thermodynamics?

Options:

Correct Answer: It reflects the ratio of products to reactants at equilibrium

Solution:

The equilibrium constant (K) reflects the ratio of products to reactants at equilibrium, indicating the extent of the reaction.

What is the significance of the equilibrium constant (K) in thermodynamics?

What is the significance of the equilibrium constant (K) in thermodynamics?

Step 1: Understand that a chemical reaction can reach a point where the amounts of reactants and products remain constant. This is called equilibrium.
Step 2: The equilibrium constant (K) is a number that shows the relationship between the concentrations of products and reactants at this equilibrium point.
Step 3: If K is much greater than 1, it means there are more products than reactants at equilibrium, indicating the reaction goes mostly to completion.
Step 4: If K is much less than 1, it means there are more reactants than products at equilibrium, indicating the reaction does not proceed very far.
Step 5: K helps predict how a reaction will behave under different conditions, such as changes in concentration, temperature, or pressure.

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