A gas is contained in a thick walled balloon. When the pressure change from __ torr to 777 torr, the volume changes from 2.58 L to 1.53 L and the temperature changes from 368 K to 495 K

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27-06-2018
Chemistry

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A gas is contained in a thick walled balloon. When the pressure change from __ torr to 777 torr, the volume changes from 2.58 L to 1.53 L and the temperature changes from 368 K to 495 K

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Ishankahps Ishankahps · Answer 1 · 2018-07-06T05:34:37+02:00

Answer is 342.6 torr.

Explanation:
Let's assume that the gas in the balloon is an ideal gas.

Then we can use combined gas law,
PV/T = k (constant)

Where, P is the pressure of the gas, V is volume of the gas and T is the temperature of the gas in Kelvin.

For two situations, we can use that as,
P₁V₁/T₁= P₂V₂/T₂

P₁ = ?
V₁ = 2.58 L
T₁ = 368 K
P₂ = 777 torr
V₂ = 1.53 L
T₂ = 495 K

From substitution,
P₁ x 2.58 L / 368 K = 777 torr x 1.53 L / 495 K
P₁ = 342.6 torr

Hence, the answer is 342.6 torr.

RahmaHadi745 RahmaHadi745 · Answer 2 · 2020-12-11T12:02:14+01:00

RahmaHadi745 RahmaHadi745

11-12-2020

Answer:

342.6 torr

Explanation:

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