Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter10: Gases And Their Properties
Section: Chapter Questions
Problem 75GQ: The density of air 20 km above Earths surface is 92 g/m3. The pressure of the atmosphere is 42 mm...
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![A tank contains 2 m³ of a gas which is 70% methane, 25% ethane, and 5% nitrogen
by volume. The mixture is at 20 °C and 25.66 atm, the average molar mass of the
gas is 20.1 kg/kmol (R=0.082 m³.atm/kmol.K)
Component
CH4
C2H6
N2
2.27 kmol
Using Kay's method, what is the number of moles of this mixture in the tank?
4.27 kmol
6.27 kmol
Tc, K
Pc, atm
190.6
45.4
305.4
48.2
126.2 33.5
8.27 kmol
00
0.008
0.098
0.040](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F94884f69-365e-43dc-a457-f3f8066ccdfc%2Faf2d54fe-7334-4fe5-a3e4-9cd3e77718fd%2Fg0whk9_processed.png&w=3840&q=75)
Transcribed Image Text:A tank contains 2 m³ of a gas which is 70% methane, 25% ethane, and 5% nitrogen
by volume. The mixture is at 20 °C and 25.66 atm, the average molar mass of the
gas is 20.1 kg/kmol (R=0.082 m³.atm/kmol.K)
Component
CH4
C2H6
N2
2.27 kmol
Using Kay's method, what is the number of moles of this mixture in the tank?
4.27 kmol
6.27 kmol
Tc, K
Pc, atm
190.6
45.4
305.4
48.2
126.2 33.5
8.27 kmol
00
0.008
0.098
0.040
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