Posted by **anonymous** on Sunday, December 11, 2011 at 4:31pm.

A sample of gas with a volume of 2.0 L exerts a pressure of 1.0 atm. If the volume is changed to 1.0 L (at constant temperature), what is the pressure?

a. 0.5 atm

b. 1.0 atm

c. 2.0 atm

d. 4.0 atm

- chemistry -
**DrBob222**, Sunday, December 11, 2011 at 5:27pm
P1V1 = P2V2

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