a gas is allowed to expand at constant temperature from a volume 400ml to a volume of one liter the final pressure of gas 100mm of Hg the initial pressure of gas in mm

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a gas is allowed to expand at constant temperature from a volume 400ml to a volume of one liter the final pressure of gas 100mm of Hg the initial pressure of gas in mm

Anilbabu Komati 15th Dec, 2019

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Answer (1)

Abinash Panigrahi 15th Dec, 2019

Dear aspirant,

According to gas law , for a particular gas at a constant temperature the relation becomes P¹V¹=P²V² .now as given

V¹ = 400ml

P² = 100 mm

V² = 1000ml ;

P¹ =??

Applying the above rule we get

P¹ = 1000*100 /400

P¹ = 250mm

So, the initial pressure was 250 mm.

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