A balloon contains 7.2 L of He. The pressure is reduced to 2.00 atm and the balloon expands to occupy a volume of 25.1 L. What was the initial pressure exerted on the balloon? Given: Unknown: Formula:

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Chris Rasco asked Jun 23, 2023

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30 votes

A balloon contains 7.2 L of

He. The pressure is reduced
to 2.00 atm and the balloon
expands to occupy a volume
of 25.1 L. What was the initial
pressure exerted on the
balloon?

Given:
Unknown:
Formula:
Solution:
Final Answer:

Chemistry
college

Chris Rasco asked Jun 23, 2023

by Chris Rasco

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1 Answer

26 votes

Apply Boyles law

P1V1=P2V2
7.2(2)=25.1P2
14.4=25.1P_2
P_2=0.57atm

Remember

If Volume is four times increased pressure is 4 times decreased

FreddieH answered Jun 28, 2023

by FreddieH

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