Solve #3 1)A)Calculate the density of normal air at 22C= 295K. Assume the pressure is 1atm=101.3kPa. There is onemole of air. Find the mass and the volume of air, then divide to get the density.Air is about 20% 02 and 80% N2.(02=32g/mol N2=28g/mol)6.422,4tow doesB) Hase dese the density change if you measured at OC=273Kdoలో2) How dese the density of He-gas at 22C compare to the density of air at 22C? (He-5 g/mol)3) How hot should air be heated in a hot-air balloon for it to take of? A hot-air balloon requires a densityof .156kg/m3 to become airborne.

Given: Required density of air = 0.156 kg/m3.

Answered: 3) How hot should air be heated in a…

3) How hot should air be heated in a hot-air balloon for it to take of? A hot-air balloon requires a density of .156kg/m³ to become airborne.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter2: The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 52P: The partial pressure of carbon dioxide in the lungs is about 470 Pa when the total pressure in the...

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Question

Solve #3

1)
A)Calculate the density of normal air at 22C= 295K. Assume the pressure is 1atm=101.3kPa. There is one
mole of air. Find the mass and the volume of air, then divide to get the density.
Air is about 20% 02 and 80% N2.(02=32g/mol N2=28g/mol)
6.4
22,4
tow does
B) Hase dese the density change if you measured at OC=273K
doలో
2) How dese the density of He-gas at 22C compare to the density of air at 22C? (He-5 g/mol)
3) How hot should air be heated in a hot-air balloon for it to take of? A hot-air balloon requires a density
of .156kg/m3 to become airborne.

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