Thermodynamics Concepts Quiz
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Questions and Answers

According to the second law of thermodynamics, what happens to the total entropy change of a system and its surroundings for any spontaneous process at equilibrium?

  • The total entropy change of the system and surroundings is zero
  • The total entropy change of the system and surroundings is negative
  • The total entropy change of the system and surroundings is unpredictable
  • The total entropy change of the system and surroundings is positive (correct)

    • In a physical or chemical process at equilibrium, what happens when the system absorbs a certain amount of heat?

  • The surroundings release the same amount of heat (correct)
  • The surroundings absorb more heat
  • The surroundings release less heat
  • The surroundings remain unaffected

    • What is represented by 'Ts' in the given text?

  • Total energy
  • Standard enthalpy
  • Specific heat
  • Absolute temperature (correct)

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