A lighter-than-air balloon contains 1005 mol helium at1.00 atm and 25.0°C.(a) Compute the difference between the mass of the helium it contains and the mass of the air it displaces, assuming the molar mass of air to be 29.0 g mol-1 .(b) The balloon now ascends to an altitude of 10 miles, where the temperature is - 80.0°C. The walls of the balloon are elastic enough that the pressure inside it equals the pressure outside. Repeat the calculation of part (a).
A lighter-than-air balloon contains 1005 mol helium at1.00 atm and 25.0°C.(a) Compute the difference between the mass of the helium it contains and the mass of the air it displaces, assuming the molar mass of air to be 29.0 g mol-1 .(b) The balloon now ascends to an altitude of 10 miles, where the temperature is - 80.0°C. The walls of the balloon are elastic enough that the pressure inside it equals the pressure outside. Repeat the calculation of part (a).
Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter1: Gases And The Zeroth Law Of Thermodynamics
Section: Chapter Questions
Problem 1.25E
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Question
A lighter-than-air balloon contains 1005 mol helium at
1.00 atm and 25.0°C.
(a) Compute the difference between the mass of the
helium it contains and the mass of the air it displaces,
assuming the molar mass of air to be 29.0 g mol-1 .
(b) The balloon now ascends to an altitude of 10 miles,
where the temperature is - 80.0°C. The walls of the
balloon are elastic enough that the pressure inside it
equals the pressure outside. Repeat the calculation of
part (a).
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