A 5.0 L ballon has a pressure of 1.0 atm at sea level, where the temperature is 28°C. The balloon was let loose and ascended to a height in the temperature where the temperature is 11°C. What will be the volume of the balloon if the atmospheric pressure at the new altitude is 0.65 atm?
P1V1/T1=P2V2/T2
V2=V1 (T2P1/T1P2)
V1=(273+11)(1)/(273+28)(0.65)
=1.45V1
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