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States of Matter

A meteorological balloon of radius 1.0M at sea level and 20 degrees C. At it's maximum altitude the radius of the balloon is 3.0M and the temperature is -20 degrees C. Calculate the pressure inside the balloon.

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Using the ideal gast Law

PV = nRT

for Case 1

at sea level

for Case 2

at maximum altitude

For both cases, we know ...

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