Question

A gas is expanded, at constant ternperature, from a volume
of 400 ml to a volume of 1 litre, where its final pressure is 100
mm of Hg. What was the original pressure?​

Answer 1

Answer:

given volume v1 = 400ml

v2 =1000ml = 1 litre

p2 =100mm of hg

let say p1=x

from boyles law

p1v1 =p2v2

400x = 100000

x= 250

Answer 2

hey dude here's your answer

Hope it helps

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