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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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.
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?
Needs 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.
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_forwardC3-CRT35: PRESSURE-VOLUME GRAPH-PRESSURE, VOLUME, AND TEMPERATURE BAR CHARTS An ideal gas trapped in a cylinder expands while its pressure drops. The starting point for this process is labeled A and the endpoint is labeled B in the graph of pressure versus volume. 0 Explain your reasoning. Pressure 0 A Volume This initial pressure, volume, and temperature are shown in the histograms. Complete the histograms, showing the final pressure, volume, and absolute temperature. Initial Final Initial Final Volume B Pressure Initial Final Temperaturearrow_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_forward
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- Nonearrow_forwardA 20-cm-diameter cylinder that is 40 cm long contains 60 g of oxygen gas at 20° C. For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Air in warmed tire. Part B How many oxygen molecules are in the cylinder? N 1.1x1024 molecules Submit Part C Correct Here we learn how to find the number of molecules in the gas if we know its mass. n = What is the number density of the oxygen? Express your answer in molecules per meter cubed. Previous Answers Submit Part D 17 ΑΣΦ Request Answer ? What is the reading of a pressure gauge attached to the tank? Express your answer with the appropriate units. m -3arrow_forwardQ1 Complete the following explanation of inhalation using words from the box. Using the equation PV = constant; if the volume of the thoracic cavity increases the pressure inside the thoracic cavity will When the pressure within the thoracic cavity the lungs. atmospheric pressure, air will is greater than increase exit decrease is smaller than enter Q2 An ideal gas is in a closed container. Which changes to its volume and temperature when taken together must cause a decrease in the gas pressure? Volume Temperature A decrease increase B. decrease decrease C. increase increase D. increase decrease Q3 Under which conditions of pressure and density will a real gas approximate to an ideal gas? Pressure Density A. high high B. high low C. low high O D. low low O O O Oarrow_forward
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