1) A helium-filled weather balloon has a volume of 585 L at 16.9°C and 757 mmHg. It is released and rises to an altitude

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1) A helium-filled weather balloon has a volume
of 585 L at 16.9°C
and 757 mmHg. It is released and rises
to an altitude of 2.01 km, where the
pressure is 647 mmHg and the temperature
is 4.9°C.
The volume of the balloon at this altitude is _______ L.
2) A sample of argon gas occupies a
volume of 7.03 L
at 46.0°C
and 1.12 atm.
If it is desired to increase the
volume of the gas sample to 9.79 L,
while increasing its pressure
to 1.54 atm, the temperature of the gas
sample at the new volume and pressure must be _____ °C.