# Answer on Physical Chemistry Question for Taylor

Question #6827

The volume of a gas-filled balloon is 30.0 L at 40 °C and 153 kPa pressure. What volume will the balloon have at standard temperature and pressure

(273 K and 101.3 kPa)? Round to the nearest tenth. Don't forget the units.

(273 K and 101.3 kPa)? Round to the nearest tenth. Don't forget the units.

Expert's answer

PV=nRT

n=P1V1/RT1=153 * 30.0/

(273+40)*8.31

n=P2V2/RT2.

V2=nRT2/P2

V2=(153 * 30.0/

(273+40)*8.31)*8.31*273/101.3=39.52 L

n=P1V1/RT1=153 * 30.0/

(273+40)*8.31

n=P2V2/RT2.

V2=nRT2/P2

V2=(153 * 30.0/

(273+40)*8.31)*8.31*273/101.3=39.52 L

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