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Weather balloons are sent into space to gather data. The balloons usually burst at a pressure of 27 640 Pa and a volume of 36,3 m3. The data collector then falls back to Earth.
The gas in a certain weather balloon has an initial volume of 12,6 m3 and pressure of 105 000 Pa at a temperature of 25 °C when it is released into space.
Calculate the:
1 Temperature of the gas, in °C, in the balloon when it bursts
2 Initial amount of gas (in moles) in the balloon
in Chemistry by Diamond (42,306 points)
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1 Answer

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1.  p1V1/T1 = p2V2/T2

    105 000(12.26)/298 = 27 640(36.3)/T2

                    T2= 226K

                        = -47 degrees celcius

2. pV =nRT , gas equation,

  105 000(12.6)= n(8.31)(298)

   therefore n= 534.25 mole
by Diamond (42,306 points)

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