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

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter12: Chemical Bonding

Section: Chapter Questions

Problem 4AYK: When you use a bottle of vinegar-and-oil salad dressing, you have to shake it up for mixing. Why?

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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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