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A 8.67 L sample of gas has a pressure of 1.49 atm and a temperature of...

A 8.67 L sample of gas has a pressure of 1.49 atm and a temperature of
83°C. The sample is compressed to a volume of 5.92 L and is heated to 140°C. Calculate the new pressure of the gas, assuming that no gas escaped during the experiment.
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Answer #1

volume V1 = 8.67 L

pressure P1 = 1.49 atm

temperature T1 = 83 oC = 356 K

volume V2 = 5.92 L

temperature T2 = 140 oC = 413 K

P1 V1 / T1 = P2 V2 / T2

1.49 x 8.67 / 356 = P2 x 5.92 / 413

P2 = 2.53

new pressure = 2.53 atm

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