Posted by **kaitlin watson** on Tuesday, January 29, 2013 at 3:41pm.

A gas has a pressure of 2.96 atm when its

volume is 3.93 L. What will the pressure

be when the volume is changed to 1.09 L,

assuming constant temperature? Express the

ﬁnal pressure in torr.

Answer in units of torr

- chemistry -
**Devron**, Tuesday, January 29, 2013 at 3:48pm
P1=2.96

P2=?

V1=3.93L

V2=1.09L

**** 1 atm = 760 torr

Use P1V1/T1=P2V2/T2 and solve for P2. Assuming T1=T2, you can ignore the T's and rewrite the equation as P1V1=P2V2.

Rearranging the equation results in (P1V1)/P2=V2

Plug in your values and solve for V2

Afterwards multiply by the conversion provided to get your answer in torr.

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