A 775 ml sample of nitrogen gas is cooled from 67 $"^@$ C to 42 $"^@$ C. What is the new volume if the pressure remains the same?

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Answer 1 · 2017-04-03T10:19:07

The new volume is $=718mL$

$V_1/T_1=V_2/T_2$

Volume, $V_1=0.775L$

Temperature, $T_1=67+273=340K$

Temperature, $T_2=42+273=315K$

So,

$V_2=T_2/T_1*V_1$

$=315/340*0.775=0.718L$

A 775 ml sample of nitrogen gas is cooled from 67"^@"^@C to 42"^@"^@C. What is the new volume if the pressure remains the same?