a gas of unknown volume was kept at 107°. when the temperature is decreased by 35°C, the gas occupies a volume of 750 ml.what was the initial volume the gas.
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Given - Final volume - 750 ml
Initial temperature - 107° C
Final temperature - 72°C
Find - Initial volume
Solution - Initial volume can be calculated by the help of Charles' law. The formula for calculation is - V1/T1 = V2/T2
In the formula, V1 is initial volume, T1 is initial temperature, V2 is final volume and T2 is final temperature.
Keeping the values in equation-
V1 - V2/T2*T1
V1 - 750/72*107
V1 - 1115 ml.
Hence, initial volume is 1115 ml.
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