1. Tardigrade
  2. Question
  3. Chemistry
  4. The entropy change can be calculated by using the expression Δ S = (qrev/T). When water freezes in a glass beaker, choose the correct statement amongst the following :

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Q. The entropy change can be calculated by using the expression $\Delta S = \frac{q_{rev}}{T}$. When water freezes in a glass beaker, choose the correct statement amongst the following :

Thermodynamics

Solution:

As water freezes from liquid to solid, randomness decreases, i.e., $\Delta S_{system}$ decreases. Heat released during the process, is absorbed by the surroundings hence, $\Delta S_{surroundings}$ increases.