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Le Chatelier's Principle Quiz

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Questions and Answers

Which of the following is the definition of Le Chatelier's principle?

The position of equilibrium during a reversible reaction is affected by temperature, pressure, and concentration.

Changing the conditions of a reversible reaction will shift the position of equilibrium to counteract that change. (correct)

Le Chatelier's principle can be used to predict what will happen when conditions are changed.

The position of equilibrium refers to the number of reactant particles compared to product particles at equilibrium.

What does it mean if the equilibrium lies to the left?

The reaction is not at equilibrium.

The reaction is not reversible.

There are more reactants than products at equilibrium. (correct)

There are more products than reactants at equilibrium.

What does it mean if the equilibrium lies to the right?

There are more products than reactants at equilibrium. (correct)

There are more reactants than products at equilibrium.

The reaction is not reversible.

The reaction is not at equilibrium.

What is the purpose of Le Chatelier's principle?

<p>To predict the outcome of a reaction when conditions are changed.</p> Signup and view all the answers

What is the reaction being used as an example in the video?

<p>The production of ammonia from nitrogen and hydrogen.</p> Signup and view all the answers

Study Notes

Le Chatelier's Principle

Le Chatelier's principle states that when a system in equilibrium is subjected to a change, the equilibrium will shift in a direction that tends to counteract the change.

Equilibrium Shift

If the equilibrium lies to the left, it means that the reaction favors the reactants, indicating that the concentration of reactants is higher than the concentration of products.
If the equilibrium lies to the right, it means that the reaction favors the products, indicating that the concentration of products is higher than the concentration of reactants.

Purpose of Le Chatelier's Principle

The purpose of Le Chatelier's principle is to predict how a system in equilibrium will respond to changes in concentration, pressure, or temperature.

Example Reaction

The reaction being used as an example in the video is not specified in the given text, but it is likely to be a reversible reaction that illustrates the concept of equilibrium and Le Chatelier's principle.

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Description

Test your knowledge on Le Chatelier's principle and its impact on the position of equilibrium. This quiz covers the effects of temperature, pressure, and concentration on reversible reactions. Evaluate your understanding of reactant and product particle ratios at equilibrium.