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A container is filled with 20 moles of a...

A container is filled with 20 moles of an ideal diatomic gas at absolute temperature T. When heat is supplied to gas temperature remains constant but 8 moles dissociate into atoms. Heat energy given to gas is

A

4 RT

B

6 RT

C

3 RT

D

5 RT

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • N moles of an ideal diatomic gas are in a cylinder at temperature T. suppose on supplying heat to the gas, its temperature remain constant but n moles get dissociated into atoms. Heat supplied to the gas is

    A
    `zero`
    B
    `(1)/(2) nRT`
    C
    `(3)/(2) nRT`
    D
    `(3)/(2)(N - n) RT`

  • A closed cylindrical vessel contains N moles of an ideal diatomic gas at a temperature T . On supplying heat , temperature remains same , but n moles get dissociated into atoms . The heat supplied is

    A
    `(5)/(2) (N - n ) RT `
    B
    `(5)/(2)` n RT
    C
    `(1)/(2)` n RT
    D
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  • An insulator container contains 4 moles of an ideal diatomic gas at temperature T. Heat Q is supplied to this gas, due to which 2 moles of the gas are dissociated into atoms but temperature of the gas remains constant. Then

    A
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    D
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