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NEST2017ChemistryThermodynamics (C)

The three thermodynamic states P , Q and R . of a system are connected by the paths shown in the figure given on the right. The entropy change in the processes P Q , Q R and P R along the paths indicated are S_ P Q , S_ Q R and S_ P R respectively. If the process P Q is adiabatic and irreversible, while P R is adiabatic and reversible, the correct statement is

Options

  1. AS_ Q R 0
  2. BS_ P R 0
  3. CS_ Q R 0
  4. DS_ P Q 0

Correct answer

C. S_ Q R 0

Step-by-step solution

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