Question

what is the increases in volume when the temperature of 800ml of air increases from 27°c to 47°c under constant pressure of 1 bar​

Answer 1

The answer is 53.34 ml.

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Answer 2

The increases in volume when the temperature of 800ml of air increases from 27°c to 47°c under constant pressure of 1 bar​ is 53 ml

Explanation:

Charles' Law states that volume of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

where,

$V_1$ = initial volume of gas  = 800 ml

$V_2$ = final volume of gas  = ?

$T_1$ = initial temperature of gas  = $27^0C=27+273=300K$

$T_2$ = final temperature of gas =$47^0C=47+273=320K$

Putting values in above equation, we get:

$\frac{800ml}{300K}=\frac{V_2}{320K}$

$V_2=853ml$

Thus change in volume = (853-800 )ml= 53 ml

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