Asked by David D.

A balloon contains 7.2 L of He. Th
e 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?

I got 0.57 ml, but the answer says 7.0 ml.

I am not sure if my answer is wrong of correct?
Answered by Damon
P1 V1 = P2 V2
7.1 P1 = 50.2
P1 = 7.07 atm

I do not know why it says mL when you are using liters L Anyway the answer is in ATMOSPHERES pressure, not milliliters or Liters
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