Ballons are still used to deploy sensors that monitor meteorological phenomena. It is possible to investigate some of the technicalities of ballooning by using perfect gas law. Suppose your balloon has a radius of 3.0 m and that is spherical. What mass of H2 (in mol) is needed to inflate it to 1.0 atm in an ambient temperature of 25oC at sea level? What mass can the balloon lift at sea level,where the density of air is 1.22 kg /m3? What would be the payload if He were used instead of H2?

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Ballons are still used to deploy sensors that monitor meteorological phenomena. It is possible to investigate some of the technicalities of ballooning by using perfect gas law. Suppose your balloon has a radius of 3.0 m and that is spherical.

  • What mass of H2 (in mol) is needed to inflate it to 1.0 atm in an ambient temperature of 25oC at sea level?
  • What mass can the balloon lift at sea level,where the density of air is 1.22 kg /m3?
  • What would be the payload if He were used instead of H2?
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