40. (Ill) A helium-filled balloon escapes a childs hand at
Chapter 13, Problem 40(choose chapter or problem)
40. (Ill) A helium-filled balloon escapes a childs hand at sea level and 20.0C. When it reaches an altitude of 3000 m, where the temperature is 5.0' C and the pressure is only 0.70 atm, how will its volume compare to that at sea level?
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