# Answer to Question #15416 in Inorganic Chemistry for Ruth

Question #15416

The volume of a sample of gas is 650.0 ml at STP. What volume will the sample occupy at 40.0C and 950.0 torr?

Expert's answer

PV=nRT

V1=nRT1/P1=0.6500 l

V1=nR*273.15/100=0.650

l

nR=0.23796

V2=nRT2/P2 (950.0 torr is 126.67

kPa)

V2=nR*313.15/126.67

V2=0.27396*313.15/126.67=0.588289 l or 588.29 ml

V1=nRT1/P1=0.6500 l

V1=nR*273.15/100=0.650

l

nR=0.23796

V2=nRT2/P2 (950.0 torr is 126.67

kPa)

V2=nR*313.15/126.67

V2=0.27396*313.15/126.67=0.588289 l or 588.29 ml

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