A) A weather balloon has a volume of 750L when filled with helium at 8?C at a pr
ID: 842940 • Letter: A
Question
A)
A weather balloon has a volume of 750L when filled with helium at 8?C at a pressure of 380torr .
What is the new volume of the balloon, where the pressure is 0.25atm and the temperature is -30?C .
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B)
What is the new volume, in milliliters, of the bubble outside the volcano where the temperature is -30?C and the pressure is 0.80atm , if the amount of gas remains the same?
A 80.0mL bubble of hot gases at 210?C and 1.74atm is emitted from an active volcano.
Explanation / Answer
P1V1/T1=P2V2/T2
V2=( P1V1/T1)*(T2/P2)
=1297.15lit
P1*V1/T1 =P2V2/T2
V2=1.74*80*243/0.8(210+273)
V2=87.54ml
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