Question

Give Reason - temperature remaining constant the product of the volume and pressure of a given mass of dry gas is constant

Answer 1

Dear Student,

The relation between pressure and volume at constant temperature is best described As Boyle's Law, which says that at constant temperature, the pressure of a fixed amount of gas is inversely proportional to its volume.
Or in other words we can say that the product of pressure and volume is constant, pV = constant.

Suppose if a fixed amount gas occupies a volume V₁ and pressure p₁ at a constant temperature, and it undergoes expansion so that the volume will become V₂ and pressure p₂, then the product of P and V will always be a constant value.

p₁V₁ = p₂​V₂ = constant.

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