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A research balloon is prepared for launch by pumping into it 1.75×103m3 of helium gas at...

A research balloon is prepared for launch by pumping into it 1.75×103m3 of helium gas at 13 ∘C and 1.00 atm pressure. It rises high into the atmosphere to where the pressure is only 0.340 atm. Assume that the balloon doesn't exchange significant heat with its surroundings.

-Find its volume at the higher altitude.

-Find its temperature at the higher altitude.

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