Question

5 dm³ of dry oxygen is allowed to expand to 7 dm³, when its pressure recorded is 700 mm of mercury. find the initial pressure of gas, assuming temperature remains constant.​

Answer 1

Answer:

Final volume (V2) = 7 m3

Final pressure (P2) = 700 mm

Initial volume (V1) = 5m3

Initial pressure (P1) = 2 2

1

P V 700 7

V 5

× = = 980 mm of mercury

Answer 2

Answer:

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