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5 February, 02:51

A sample of gas confined in a cylinder with a movable piston is kept at constant pressure. The volume of the gas doubles when the temperature of the gas is changed from

(1) 400. K to 200. K (3) 400.°C to 200.°C

(2) 200. K to 400. K (4) 200.°C to 400.°C

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  1. 5 February, 03:22
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    When the pressure is constant, the temperature and volume of the gas has ratio relationship: V1/T1 = V2/T2. And the temperature using unit of K. Then we can get the answer is (2) 200 K to 400 K.
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