Question

A helium balloon initially has a volume of 22.4 L when the temperature is 25.0 °C and the pressure is 1.000 atm. Assume the balloon is released and rises until it reaches an altitude where the temperature is 10.0 °C and the pressure is 0.600 atm. a. Calculate the final volume of the helium balloon in liters. b. Assume the balloon is made of some material which allows it to expand until 35.0 L and if it exceeds this volume it will break. Do you expect the balloon to break under these new conditions? Briefly explain why or why not. c. In a series of experiments, the US Navy developed an undersea habitat. In one experiment, the mole fraction of the atmosphere in the habitat was: 0.790 He 0.170 N2 0.040 O2 What will be the partial pressure of each in atmospheres when the total pressure is 6.91 atm?

          A helium balloon initially has a volume of 22.4 L when the temperature is 25.0 °C and the pressure is 1.000 atm. Assume the balloon is released and rises until it reaches an altitude where the temperature is 10.0 °C and the pressure is 0.600 atm.
a. Calculate the final volume of the helium balloon in liters.
b. Assume the balloon is made of some material which allows it to expand until 35.0 L and if it exceeds this volume it will break. Do you expect the balloon to break under these new conditions? Briefly explain why or why not.
c. In a series of experiments, the US Navy developed an undersea habitat. In one experiment, the mole fraction of the atmosphere in the habitat was:
0.790 He
0.170 N2
0.040 O2
What will be the partial pressure of each in atmospheres when the total pressure is 6.91 atm?

Added by Julian B.

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