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If a certain gas occupies a volume of 20 l when the applied pressure is 10 atm , find the pressure when the gas occupies a volume of 5.0 l .
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If a certain gas occupies a volume of 20 l when the applied pressure is 10 atm , find the pressure when the gas occupies a volume of 5.0 l .

User Pavel Petrovich
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The pressure of a gas which occupies a volume of 5.0 L is calculated using P1V1=P2V2 formula

P1=10 atm
V1 = 20 L
V2= 5.0 l
P2 =?

P2 is therefore= P1V1/V2

P2= 10 atm x20 L/5.0l= 40atm
User Otejiri
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