A 2.0 -L sample of gas at 650 mmHg pressure is expanded until its volume is 4.5 L.
What is the pressure in the expanded gas sample (at constant temperature)?
P1V1=P2V2
P1=650mmHg
V1=2.0L
V2=4.5L
P2=?
650×2.0=4.5P2
P2=650×2.0/4.5
P2=288.9mmHg
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