For a gas at $STP$,the compressibility factor is greater than $1$. What will be the value of its molar volume $(V_m)$?

  • A
    Equal to $22.4 \ dm^3$
  • B
    Depends on its molecular size
  • C
    Greater than $22.4 \ dm^3$
  • D
    Less than $22.4 \ dm^3$

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The pressure of a real gas is less than the pressure of an ideal gas because of .....

The $P$ vs $V$ graph is plotted for $1$ $mole$ of a hypothetical gas. Based on the given isotherms at $200 \ K$ and $300 \ K$,determine the range of $\frac{a}{b}$ for this gas in $atm-L \ mole^{-1}$. [Given: $R = 0.08 \ atm-L \ mole^{-1} \ K^{-1}$]

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Excluded volume $(v)$ per molecule is related to the van der Waals constant $'b'$ in the following way:

The van der Waals equation is valid for $......$.

If $Z$ is the compressibility factor,then for $1 \, \text{mole}$ of a real gas,the van der Waals equation at low pressure can be written as:

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