since PV=kT, PV/T is a constant.
So, using the given numbers,
(.14 atm)V/(271+48) = (756 torr)(.295)/(271+18)
You will need to reconcile atm and torr, and then solve for the new V
A weather balloon is filled with 0.295 m3 of helium on the ground at 18 °C and 756 torr.
What will the volume of the balloon be at an altitude of 10 km where the temperature is
48 °C and the pressure is 0.14 atm?
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