What is Le Chatelier's principle?

A Energy can neither be created nor destroyed

B A system at equilibrium will shift to oppose any change

C The entropy of the universe always increases

D Gases expand when heated

✓ Correct Answer: Option B

Le Chatelier's principle states that a system at equilibrium will shift to counteract any change in concentration, temperature, or pressure.

💡 Why is B) the correct answer?

The correct answer to the question "What is Le Chatelier's principle?" is Option B: A system at equilibrium will shift to oppose any change.

The other options — A) Energy can neither be created nor destroyed, C) The entropy of the universe always increases, D) Gases expand when heated — are incorrect for this IB Exam Prep question. As explained above: Le Chatelier's principle states that a system at equilibrium will shift to counteract any change in concentration, temperature, or pressure.

📚 About This IB Exam Prep Practice Question

This 3-level IB Exam Prep question from the Chemistry topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free IB Exam Prep practice test or use flashcards for spaced repetition review.

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What is Le Chatelier's principle?

✓ Correct Answer: Option B

📚 About This IB Exam Prep Practice Question

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