Question

Draw a graph between V & P at constant T.

Answer 1

in above graph
it may help you

Answer 2

The relation between pressure and volume under constant temperature can be understood by Boyle’s law.

 [Graph]

The graph is a hyperbola, the volume of a given amount of gas is inversely proportional to pressure at which it is measured given the temperature is constant. This is the statement of Boyle’s law

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It can be expressed as,

                                                 PV=ηRT  

where, T is temperature; η is number of moles and R is gas constant.

We get, PV = constant or P is inversely proportional to V.