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What does a positive ΔS indicate about a system?

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Question: What does a positive ΔS indicate about a system?

Options:

  1. The system is becoming more ordered.
  2. The system is becoming more disordered.
  3. The reaction is non-spontaneous.
  4. The reaction is at equilibrium.

Correct Answer: The system is becoming more disordered.

Solution: 

A positive ΔS indicates an increase in disorder or randomness in the system.

What does a positive ΔS indicate about a system?

Practice Questions

Q1
What does a positive ΔS indicate about a system?
  1. The system is becoming more ordered.
  2. The system is becoming more disordered.
  3. The reaction is non-spontaneous.
  4. The reaction is at equilibrium.

Questions & Step-by-Step Solutions

What does a positive ΔS indicate about a system?
  • Step 1: Understand what ΔS means. ΔS represents the change in entropy, which is a measure of disorder or randomness in a system.
  • Step 2: Recognize that a positive ΔS means that the entropy has increased.
  • Step 3: Realize that an increase in entropy indicates that the system has become more disordered or random.
  • Step 4: Conclude that a positive ΔS shows that the particles in the system are more spread out or mixed up than before.
  • Entropy – A measure of disorder or randomness in a system.
  • Second Law of Thermodynamics – States that the total entropy of an isolated system can never decrease over time.
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