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Let (Cv) and (Cp) denote the molar heat ...

Let `(C_v) and (C_p)` denote the molar heat capacities of an ideal gas at constant volume and constant pressure respectively . Which of the following is a universal constant?

A

`C_(p) - C_(v) = R`

B

`C_(p) - C_(v) = R/2`

C

`C_(p) - C_(v) = -2R`

D

`C_(p) - C_(v) = 0`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The ratio of the molar heat capacities of a diatomic gas at constant pressure to that at constant volume is

    A
    `7/5`
    B
    `3/2`
    C
    `3/5`
    D
    `5/2`
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