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Question: Answered & Verified by Expert
Cv and Cp denote the molar specific heat capacities of a gas at constant volume and constant pressure, respectively. Then
PhysicsThermodynamicsNEET
Options:
  • A Cp-Cv is larger for a diatomic ideal gas than for a monoatomic ideal gas
  • B Cp+Cv is larger for a diatomic ideal gas than for a monoatomic ideal gas
  • C CpCv is larger for a diatomic ideal gas than for a monoatomic ideal gas
  • D Cp.Cv is smaller for a diatomic ideal gas than for a monoatomic ideal gas
Solution:
2548 Upvotes Verified Answer
The correct answer is: Cp+Cv is larger for a diatomic ideal gas than for a monoatomic ideal gas
For monoatomic gas,

       CP=52R

And CV=32R

For diatomic gas,

        CP=72R

and CV=52R

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