In which of the following scenarios is the entropy of the system likely to decre

Practice Questions

Q1
In which of the following scenarios is the entropy of the system likely to decrease?
  1. Ice melting
  2. Water freezing
  3. Gas expanding
  4. Liquid evaporating

Questions & Step-by-Step Solutions

In which of the following scenarios is the entropy of the system likely to decrease?
  • Step 1: Understand what entropy means. Entropy is a measure of disorder or randomness in a system.
  • Step 2: Recognize that when a system becomes more ordered, its entropy decreases.
  • Step 3: Consider the process of water freezing. When water freezes, it changes from a liquid to a solid.
  • Step 4: In the liquid state, water molecules are moving around freely, which means they are disordered.
  • Step 5: When water freezes, the molecules arrange themselves in a fixed structure (ice), which is more ordered.
  • Step 6: Since the molecules are more ordered in the solid state, the entropy of the system decreases.
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