Question

At constant temperature , a gas is at a pressure of 1080 nm of Hg . At what pressure it's volume will be decreased by 40 %

Solve with full steps !!

Answer 1

Heya....!!

Let the initial volume of gas ( V1 ) = V

so , 40% of initial volume = 40V/100 = 0.4 V

Final volume of gas ( V2 ) = V -0.4 = 0.6 V
initial pressure of gas ( P1 ) = 1080 mm of Hg .

Final pressure = ?

By Boyle's Law ,,
P1V1 = P2V2

P2 = 1080×V ÷0.6V

P2 = 1800 mm of Hg is the required answer .


HOPE IT HELPS U

Answer 2

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