SOLUTION: Pressure of a gas varies inversely with the volume. 40 liters of a gas has a pressure of 120 psi( ponds per square in - like car tire pressure). The volume is changed to 15 liters,

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Question 1045244: Pressure of a gas varies inversely with the volume. 40 liters of a gas has a pressure of 120 psi( ponds per square in - like car tire pressure). The volume is changed to 15 liters, what is the new pressure?
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
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Pressure of a gas varies inversely with the volume. 40 liters of a gas has a pressure of 120 psi
( highlight%28cross%28ponds%29%29 pounds per square in - like car tire pressure). The volume is changed to 15 liters, what is the new pressure?
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Solve the "inverse" proportion

120%2Fx = 15%2F40.

x = %28120%2A40%29%2F15 = 320 psi.

On proportions, read the lessons
    - Proportions
    - Using proportions to solve word problems
in this site.