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What is positive and negative deviation ...

What is positive and negative deviation of real gas at constant pressure for pV `to` p ?

Text Solution

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If curve of graph is down from ideal gas then deviation will be negative. If curve of graph is up from ideal gas then deviation will be positive.
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Knowledge Check

  • The molar specific heat at constant pressure of an ideal gas is 7/2R . The ratio of specific heat at constant pressure to that at constant volume is ……….

    A
    `8/7`
    B
    `5/7`
    C
    `9/7`
    D
    `7/5`

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