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College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
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Chapter 12, Problem 51P
To determine
The reason behind the mechanical movement of the diaphragm and the lungs, leading to inhaling and exhaling of air through lungs or mouth while hiking.
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Students have asked these similar questions
I'm trying to understand these lab notes. We heated a flask full of air in a lab experiment.
*Did the mass of the flask and the air inside change? (i.e. is there a difference between M1 and M3)? Explain this result given
Mass of flask with air: M1 = 318.73g
Mass of heated flask with air: M3= 318.60g
*What would you expect if you compared the evacuated flask,
Mass of flask without air: M2= 317.64g, at the two different temperatures?
a. Determine the work done ON a fluid that expands from 1 to 4 as indicated in the figure at the right.b. How much work is done ON the fluid if it is compressed from 4 to 1 along the same path?
* For part (a), provide a derivation equation in terms of variables for initial andfinal pressure and volume.
A chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 220.0 MPa.
The student's design calls for an observation port on the side of the vessel (see diagram below). The bolts that hold the cover of this port onto
the vessel can safely withstand a force of 10.00 MN.
pressure vessel
bolts
alo
W
Ar
side
view
port
Calculate the maximum safe diameter w of the port. Round your answer to the nearest 0.1 cm.
cm
x1
Explanation
Check
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Chapter 12 Solutions
College Physics
Ch. 12 - Prob. 1RQCh. 12 - Prob. 2RQCh. 12 - Prob. 3RQCh. 12 - Review Question 12.4 Ken says that the temperature...Ch. 12 - Review Question 12.5 What is the difference...Ch. 12 - Prob. 6RQCh. 12 - Prob. 7RQCh. 12 - Review Question 12.8 How do we know that the Sun’s...Ch. 12 - Prob. 1MCQCh. 12 - Prob. 2MCQ
Ch. 12 - Prob. 3MCQCh. 12 - Prob. 4MCQCh. 12 - Prob. 5MCQCh. 12 - Prob. 6MCQCh. 12 - Prob. 7MCQCh. 12 - Prob. 8MCQCh. 12 - 9. How might physicists have come to know that at...Ch. 12 - 10. A cylindrical container is filled with a gas....Ch. 12 - Prob. 11MCQCh. 12 - A completely closed rigid container of gas is...Ch. 12 - Prob. 13MCQCh. 12 - Prob. 14MCQCh. 12 - Prob. 15MCQCh. 12 - Which of the following conditions are crucial for...Ch. 12 - Prob. 17CQCh. 12 - 18. Why does it hurt to walk barefoot on gravel?
Ch. 12 - 19. In the magic trick in which a person lies on a...Ch. 12 - What does it mean if the density of a gas is 1.29...Ch. 12 - How many oranges would you have if you had two...Ch. 12 - 22. Imagine that you have an unknown gas. What...Ch. 12 - Prob. 23CQCh. 12 - Describe how temperature and one degree are...Ch. 12 - Why does sugar dissolve faster in hot tea than in...Ch. 12 - 26. (a) Describe experiments that were used to...Ch. 12 - Give three examples of diffusion that are...Ch. 12 - Why do very light gases such as hydrogen not exist...Ch. 12 - Prob. 29CQCh. 12 - Explain why Earth has almost no free hydrogen in...Ch. 12 - What are the molar masses of molecular and atomic...Ch. 12 - Prob. 2PCh. 12 - The average particle density in the Milky Way...Ch. 12 - * (a) What is the concentration (number per cubic...Ch. 12 - Prob. 5PCh. 12 - 6. You find that the average gauge pressure in...Ch. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - 10. You have five molecules with the following...Ch. 12 - 11.Two gases in different containers have the same...Ch. 12 - 12. Four molecules are moving with the following...Ch. 12 - m2, what is the average pressure of the 10 tennis...Ch. 12 - * Friends throw snowballs at the wall of a...Ch. 12 - Prob. 15PCh. 12 - Prob. 16PCh. 12 - Prob. 17PCh. 12 - Air consists of many different molecules, for...Ch. 12 - Prob. 19PCh. 12 - 20. Air is a mixture of molecules of different...Ch. 12 - Prob. 21PCh. 12 - Prob. 22PCh. 12 - 23. ** A molecule moving at speed collides...Ch. 12 - Prob. 24PCh. 12 - Prob. 25PCh. 12 - * Even the best vacuum pumps cannot lower the...Ch. 12 - Prob. 27PCh. 12 - Prob. 28PCh. 12 - * The following data were collected for the...Ch. 12 - Prob. 30PCh. 12 - Prob. 31PCh. 12 - 32. * When surrounded by air at a pressure of 1.0...Ch. 12 - 33. * Some students are given the following...Ch. 12 - 34. ** You have gas in a container with a movable...Ch. 12 - Prob. 35PCh. 12 - * Bubbles While snorkeling, you see air bubbles...Ch. 12 - Prob. 37PCh. 12 - * Mount Everest (a) Determine the number of...Ch. 12 - Prob. 39PCh. 12 - Prob. 40PCh. 12 - Prob. 41PCh. 12 - 42. * Car tire dilemma Imagine a car tire that...Ch. 12 - 43. * There is a limit to how much gas can pass...Ch. 12 - Prob. 44PCh. 12 - Prob. 45PCh. 12 - 46. * In the morning, the gauge pressure in your...Ch. 12 - ** The P-versus-T graph in Figure P12.49 describes...Ch. 12 - ** The V-versus-T graph in Figure P12.50 describes...Ch. 12 - Prob. 51PCh. 12 - Prob. 52PCh. 12 - Prob. 53PCh. 12 - 55. ** A gas that can be described by the ideal...Ch. 12 - * Equation Jeopardy 3 The three equations below...Ch. 12 - Prob. 57GPCh. 12 - 58. * See the previous problem Explain how the...Ch. 12 - Prob. 59GPCh. 12 - Prob. 60GPCh. 12 - Prob. 61GPCh. 12 - Prob. 62GPCh. 12 - 63. EST * Car engine During a compression stroke...Ch. 12 - * How can the pressure of air in your house stay...Ch. 12 - 65 * Tell-all problem Tell everything you can...Ch. 12 - 66. ** Two massless, frictionless pistons are...Ch. 12 - 67. * A closed cylindrical container is divided...Ch. 12 - Prob. 68GPCh. 12 - 69. ** The speed of sound in an ideal gas is given...Ch. 12 - 70. * Using the information from problem 12.69,...Ch. 12 - Prob. 71GPCh. 12 - 73. Why is the wall tension in capillaries so...Ch. 12 - Prob. 74RPPCh. 12 - Prob. 75RPPCh. 12 - As a person ages, the fibers in arteries become...Ch. 12 - Prob. 77RPPCh. 12 - The bag and pump have a 6.76-kg mass. The volume...Ch. 12 - The bag and pump have a 6.76-kg mass. The volume...Ch. 12 - The bag and pump have a 6.76-kg mass. The volume...Ch. 12 - The bag and pump have a 6.76-kg mass. The volume...Ch. 12 - Prob. 82RPP
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- Steam to drive an old—fashioned steam locomotive is supplied at a constant gauge pressure of 1.75106N/m2 (about 250 psi) to a piston with a 0.200m radius. (a) By calculating PV, find the work done by the steam when the piston moves 0.800 m. Note that this is the net work output, since gauge pressure is used. (b) Now find the amount of work by calculating the force exerted times the distance traveled. Is the answer the same as in part (a)?arrow_forwardA chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 230.0 MPa. The student's design calls for an observation port on the side of the vessel (see diagram below). The bolts that hold the cover of this port onto the vessel can safely withstand a force of 8.10 MN. W pressure vessel cm bolts side view port Calculate the maximum safe diameter w of the port. Round your answer to the nearest 0.1 cm. x10 X S ? do 18arrow_forwardNeeds Complete solution with 100 % accuracy. Don't use chat gpt or ai i definitely upvote you be careful Downvote for ai or chat gpt answer.arrow_forward
- A chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 450.0 MPa. The student's design calls for an observation port on the side of the vessel (see diagram below). The bolts that hold the cover of this port onto the vessel can safely withstand a force of 4.50 MN. pressure vessel bolts do Ar side view port Calculate the maximum safe diameter w of the port. Round your answer to the nearest 0.1 cm. cm Ox10 Explanation Check 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy Accessibility Activity Details MacBook Air 4> F19 80 888 FB F7 F6 F4 F5 F2 F3 F1 & 云 %24 %23arrow_forwardGroup B Questions 1. Present a brief explanation of how changes in gas pressure relates to your ability to breathe. Include at least one relevant mathematical formula in your presentation. 2. Present a brief explanation of how changes in liquid pressure relates to your pulse or your circulatory system. Include at least one relevant mathematical formula in your presentation.arrow_forwardExample4arrow_forward
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- U7arrow_forwardPart A What is the pressure inside a 8.0-um-diameter air bubble that is 10 m below the surface of a lake? Use Ywater = 73 mN/m. Express your answer to three significant figures and include the appropriate units. µA Value Units Submit Request Answer Provide Feedbackarrow_forwardQ2arrow_forward
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