A sample of ideal gas at room temperature occupies a volume of 20.0 L at a press

Question

A sample of ideal gas at room temperature occupies a volume of 20.0 L at a pressure of 272 torr. If the pressure changes to 1360 torr, with no change in the temperature or moles of gas. what is the now volume, V_2? Express your answer with the appropriate units. If the volume of the original sample in Part A (P_1 = 272 torr, V_1 = 20 0 L ) changes to 61.0 L, without a change In the temperature or moles of gas molecules, what is the new pressure, P_2? Express your answer with the appropriate units.

Explanation / Answer

PART: A

According to Ideal gas equation

At constant Temperature P1V1 =P2V2

P1 = 272 torr P2 = 1360 torr

V1 = 20 L V2 =?

272 x 20 = 1360 x V2

V2 = 5440 / 1360

V2 = 4 L.

PART:B

At constant Temperature P1V1 =P2V2

P1 = 272 torr P2 = ?

V1 = 20 L V2 =61L

272 x 20 = P2 x 61

P2 = 5440 / 61

P2 = 89.18 torr.

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