Anand posted an Question
July 28, 2020 • 21:16 pm 30 points
  • IIT JAM
  • Chemistry (CY)

This is expression for work of expansion of real gas, what is a, n and b in this equation

this is expression for work of expansion of real gas, what is a, n and b in this equation

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    Dinesh khalmaniya 1

    a and b are vandewall constant the variable b, is a constant and relates to the actual volume of the gas molecules themselves, and a, is a constant and relates to the strength of the attractive forces between gas molecules. n is the moles of gas

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    got it??

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    Priyanshu kumar best-answer

    a and b is vanderwaals constants and n is number of moles of gas

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    do wanderwall constant have any fix value?

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    no actually a is for magnitude fot intermolecular forces of attraction and b is the effective size of the molecules

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    got anand??

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    do they ask question of real gas in exam,

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    see vanderwaals constant for different gases

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    They give values and accordingly for liquefaction of gases they can ask questions

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    kk

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