Answered: PH₂ hydrogen = 0.08 kg m air Pair = 1.2…

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PH₂ hydrogen = 0.08 kg m air Pair = 1.2 kg m A B Patm = 100 kPa ● 1.2 m D Ethyl Alcohol PH₂ ● F E 2.4 m 1.2 m

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter20: The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 26P: The law of atmospheres states that the number density of molecules in the atmosphere depends on...

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Question

11.15 The bulb of the manometer shown in Figure 11.20 is filled with hydrogen gas, the working fluid is ethyl alcohol, and the reference gas is air. The air pressure is 100 kPa.

(?H2 = 0.08 kg m−3 , ?ethyl-alcohol = 790 kg m−3 , ?air = 1.2 kg m−3)

(a) What is the absolute pressure at each point?

(b) What is the absolute pressure of the H2 gas in the bulb?

(d) What is the gauge pressure of the H2 gas in the bulb?

PH₂
hydrogen
= 0.08 kg m
air
Pair = 1.2 kg m
A
B
Patm = 100 kPa
●
1.2 m
D
Ethyl Alcohol
Pwater = 790 kg m-³
Figure 11.20
PH₂
●
F
E
2.4 m
1.2 m

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