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Discussion :: Chemical Engineering Thermodynamics

  1. The compressibility factor for an ideal gas is 1. Its value for any other real gas is

  2. A.

     1

    B.

     < 1

    C.

     > 1

    D.

     Either (b) or (c), depends on the nature of the gas

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    Answer : Option D

    Explanation :

    As the real gas can deviate positively or negatively from ideal behavior it can have
    Z (compressibility factor) > 1 → positive deviation.
    Z < 1→ negative deviation.


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