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Question

What is the SI unit of entropy?


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Solution

  1. Entropy is a thermodynamic quantity that is related to the system.
  2. Entropy is used to measure the degree of uncertainty of particles due to change in temperature, pressure, etc.
  3. If the entropy of the system is positive then there are high chances that the reaction becomes spontaneous in nature.
  4. Entropy is the ratio of change in heat over absolute temperature and can be represented as follows:
    S=QT; where S IS change in entropy Q is and change in heat is, T is the absolute temperature.
  5. Thus, the SI unit of entropy is S=QT=UnitofenergyUnitoftemperature=JouleKelvin

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