begin mathsize 36px style V subscript 1 over T subscript 1 equals V subscript 2 over T subscript 2 end style

V= Initial Volume , T= Initial Temperature , V= Final Volume , T= Final Temperature at Constant Volume





Charles's Law was established from the experimental fact that the volume of a gas reduces by a factor of 1/273 at a reduction of 1oC or 1o K (it must be noted that 0o C refers to 273.15 K) in temperature at constant mass and pressure. So , these two properties are inversely proportional and the product of the volume and temperature of a gas is constant at constant pressure and mass.   

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