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4.0 g of a gas occupies 22.4 litres at N...

`4.0 g` of a gas occupies `22.4` litres at NTP. The specific heat capacity of the gas at constant volume is `5.0 JK^(-1)mol^(-1)`. If the speed of sound in this gas at NTP is `952 ms^(-1)`. Then the heat capacity at constant pressure is

A

`7.5JK^(-1)mol^(-1)`

B

`7.0JK^(-1)mol^(-1)`

C

`8.5JK^(-1)mol^(-1)`

D

`8.0JK^(-1)mol^(-1)`

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Knowledge Check

  • The molar heat capacity for a gas at constant T and P is

    A
    `3/2` R
    B
    `5/2` R
    C
    depends upon the atomicity of the gas
    D
    infinity

  • The molar specific heat of a gas at constant volume is 20 Joule mol^(-1)K^(-1) . The value of gamma for it will be

    A
    `(11)/(10)`
    B
    `(7)/(5)`
    C
    `(5)/(3)`
    D
    `(3)/(2)`

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