Which of the following indicates a plot of co | vedclass

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(C) The compressibility factor $Z$ is defined as $Z = \frac{pV}{nRT}$.For real gases, $Z$ deviates from $1$.Helium $(He)$ is a light, noble gas with v

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(C) The compressibility factor $Z$ is defined as $Z = \frac{pV}{nRT}$.For real gases, $Z$ deviates from $1$.Helium $(He)$ is a light, noble gas with very weak intermolecular forces of attraction. For such gases, the volume correction term $(nb)$ dominates over the attractive force term $(a/V^2)$ even at moderate pressures.Therefore, for helium, $Z$ is always greater than $1$ $(Z > 1)$ and increases linearly with an increase in pressure $p$.This corresponds to a graph that starts at $Z=1$ and shows a positive slope as $p$ increases.

Which of the following indicates a plot of compressibility factor $(Z)$ $vs$ $p$ at room temperature for helium?

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