What happens to the entropy of an isolated system?

Practice Questions

Q1
What happens to the entropy of an isolated system?
  1. It decreases
  2. It remains constant
  3. It increases
  4. It can either increase or decrease

Questions & Step-by-Step Solutions

What happens to the entropy of an isolated system?
  • Step 1: Understand what an isolated system is. An isolated system does not exchange energy or matter with its surroundings.
  • Step 2: Learn about entropy. Entropy is a measure of disorder or randomness in a system.
  • Step 3: Know the second law of thermodynamics. This law states that in an isolated system, the total entropy can never decrease.
  • Step 4: Realize that over time, the entropy of the isolated system will either increase or stay the same, but it will not decrease.
  • Step 5: Conclude that the entropy of an isolated system always increases, leading to more disorder.
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