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A gas-filled weather balloon has a volume of 60.0 L at ground level, where the pressure...

A gas-filled weather balloon has a volume of 60.0 L at ground level, where the pressure is 763 mmHg and the temperature is 20.9 °C. After being released, the balloon rises to an altitude where the temperature is –7.29 °C and the pressure is 0.0638 atm. What is the weather balloon\'s volume at the higher altitude?

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