JAMB Chemistry 2012 Question 28

Question 28

Energy Changes

An increase in entropy can best be illustrated by

  1. A.mixing of gases
  2. B.freezing of water
  3. C.the condensation of vapour
  4. D.solidifying candle wax.
Show the answer and explanation

Answer: A (mixing of gases)

Explanation

When gases mix, the particles become more spread out and disordered; the other changes make particles more ordered.