Question

PV versus p plot for an ideal gas is
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Answer 1

Explanation:

as pv=k (constant) so the if the graph is plotted then it must be parallel to p axis ( or x axis )

Answer 2

The pV versus p graph will be a straight line parallel to x axis. ... Looking at the graph, it is seen that at constant temperature the pV vs p plot is not a straight line for real gases. There is significant deviation from the ideal behaviour.