Essential University Physics
4th Edition
ISBN: 9780134988559
Author: Wolfson, Richard
Publisher: Pearson Education,
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 18, Problem 58P
Figure 18.22 shows data and a fit curve from an experimental measurement of the pressure-volume curve for a human lung. Estimate the work involved in fully inflating the lung.
FIGURE 18.22 Problem 58
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A hand-driven tire pump has a piston with a 2.50-cm diameter and a maximum stroke of 30.0 cm. (a) How much work do you do in one stroke if the average gauge pressure is 2.4 × 105 N/m2 (about 35 psi)? (b) What average force do you exert on the piston, neglecting friction and gravitational force?
A balloon is inflated inside of a container pressured to 1 atm. The container is then suddenly evacuated. What happens to the balloon? Does it do work? Why or why not?
A hand-driven tire pump has a piston with a 2.00 cm diameter and a maximum stroke of 29.0 cm.
(a) How much work (in J) do you do in one stroke if the average gauge pressure is 2.40 ✕ 105 N/m2 (about 35 psi)?
(b)What average force (in N) do you exert on the piston, neglecting friction and gravity?
Chapter 18 Solutions
Essential University Physics
Ch. 18.2 - Two identical gas-cylinder systems are taken from...Ch. 18.2 - Name the basic thermodynamic process involved when...Ch. 18.3 - The same amount of heat flows into equal volumes...Ch. 18 - Prob. 1FTDCh. 18 - Prob. 2FTDCh. 18 - Why cant an irreversible process be described by a...Ch. 18 - Are the initial and final equilibrium states of an...Ch. 18 - Prob. 5FTDCh. 18 - Figure 18.18 shows two processes, A and B. that...Ch. 18 - When you let air out of a tire, the air seems...
Ch. 18 - Blow on the back of your hand with your mouth wide...Ch. 18 - Three identical gas-cylinder systems are...Ch. 18 - Prob. 10FTDCh. 18 - Prob. 11ECh. 18 - Prob. 12ECh. 18 - A 40-W heat source is applied to a gas sample for...Ch. 18 - Find the rate of heat flow into a system whose...Ch. 18 - In a certain automobile engine, 17% of the total...Ch. 18 - An ideal gas expands from the state (p1, V1) to...Ch. 18 - Repeat Exercise 20 for a process that follows the...Ch. 18 - A balloon contains 0.30 mol of helium. It rises,...Ch. 18 - The balloon of Exercise 22 starts at 100 kPa...Ch. 18 - How much work does it take to compress 2.5 mol of...Ch. 18 - By what factor must the volume of a gas with =...Ch. 18 - Prob. 22ECh. 18 - A carbon-sequestration scheme calls for...Ch. 18 - A gas mixture contains 2.5 mol of O2 and 3.0 mol...Ch. 18 - A mixture of monatomic and diatomic gases has...Ch. 18 - What should be the approximate specific-heat ratio...Ch. 18 - Prob. 27ECh. 18 - Prob. 28ECh. 18 - Example 18.2: A gas bubble develops from...Ch. 18 - Prob. 30ECh. 18 - Example 18.2: A spherical balloon is placed inside...Ch. 18 - Prob. 32ECh. 18 - Example 18.4: An ideal gas with γ = 40 and...Ch. 18 - Prob. 34ECh. 18 - Example 18.4: An ideal gas with γ = 1.40 is...Ch. 18 - An ideal gas expands to 10 times its original...Ch. 18 - During cycling, the human body typically releases...Ch. 18 - A 0.25-mol sample of ideal gas initially occupies...Ch. 18 - As the heart beats, blood pressure in an artery...Ch. 18 - It takes 1.5 kJ to compress a gas isothermally to...Ch. 18 - A gas undergoes an adiabatic compression during...Ch. 18 - A gas with = 1.40 occupies 6.25 L when its at...Ch. 18 - A gas sample undergoes the cyclic process ABCA...Ch. 18 - Prob. 44PCh. 18 - A gasoline engine has compression ratio 8.5 (sec...Ch. 18 - By what factor must the volume of a gas with =...Ch. 18 - Volvos B5340 engine, used in the V70 series cars,...Ch. 18 - A research balloon is prepared for launch by...Ch. 18 - Prob. 49PCh. 18 - By what factor does the internal energy of an...Ch. 18 - A 3.50-mol sample of ideal gas with molar specific...Ch. 18 - Prove that the slope of an adiabat at a given...Ch. 18 - An ideal gas with = 1.67 starts at point A in...Ch. 18 - The gas of Example 18.4 starts at state A in Fig....Ch. 18 - The gas of Example 18.4 starts at state A in Fig....Ch. 18 - Prob. 56PCh. 18 - Youre the product safety officer for a company...Ch. 18 - Figure 18.22 shows data and a fit curve from an...Ch. 18 - Gasoline and diesel engines often use...Ch. 18 - A gas with = 7/5 is at 273 K when its compressed...Ch. 18 - An ideal gas with = 1.3 is initially at 273 K and...Ch. 18 - The curved path in Fig. 18.23 lies on the 350-K...Ch. 18 - Repeat part (a) of Problem 62 for the path ACDA in...Ch. 18 - A gas mixture contains monatomic argon and...Ch. 18 - How much of a triatomic gas with Cv = 3R would you...Ch. 18 - An 8.5-kg rock at 0C is dropped into a...Ch. 18 - A piston-cylinder arrangement containing 0.30 mol...Ch. 18 - Experimental studies show that the pV curve for a...Ch. 18 - Show that the application of Equation 18.3 to an...Ch. 18 - Prob. 70PCh. 18 - Prob. 71PCh. 18 - The table below shows measured values of pressure...Ch. 18 - Air with initial volume V0 = 4.50 L and initial...Ch. 18 - A real gas is more accurately described using the...Ch. 18 - Repeat Exercise 20 for an expansion along the path...Ch. 18 - The adiabatic lapse rate is the rate at which air...Ch. 18 - A power plant extracts thermal energy from its...Ch. 18 - Prob. 78PCh. 18 - One scheme for reducing greenhouse-gas emissions...Ch. 18 - Warm winds called Chinooks (a Native-American term...Ch. 18 - Warm winds called Chinooks (a Native-American term...Ch. 18 - Warm winds called Chinooks (a Native-American term...Ch. 18 - Warm winds called Chinooks (a Native-American term...
Additional Science Textbook Solutions
Find more solutions based on key concepts
The force, when you push against a wall with your fingers, they bend.
Conceptual Physics (12th Edition)
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective
31. Land Rover ads used to claim that their vehicles could climb a slope of 45°. For this to be possible, what ...
College Physics: A Strategic Approach (3rd Edition)
1. Can the magnitude of the displacement vector be more than the distance traveled? Less than the distance trav...
Physics for Scientists and Engineers: A Strategic Approach, Vol. 1 (Chs 1-21) (4th Edition)
Where (in the southern sky, on the eastern horizon, on the western horizon, high in the sky, etc.) would you l...
Lecture- Tutorials for Introductory Astronomy
28.14 A square wire loop 10.0 cm on each side carries a clockwise current of 8.00 A. Find the magnitude and dir...
University Physics with Modern Physics (14th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A rubberized sphere contains carbon dioxide. If the initial radius of the sphere is 15cm: a. How much work is done if the carbon dioxide-filled sphere expanded to five times its original volume against the pressure at STP? Express your answer in L atm. b. Upon the expansion of the sphere, what is the kinetic energy of a single carbon dioxide molecule if it travels across the diameter and covers it in 30ms? Assume that the sphere contains one mole of carbon dioxide. Express your answer in J. c. How much power can all the molecules in this sphere generate after 30s? Assume that the sphere contains one mole of carbon dioxide and that all molecules have the same kinetic energy. Express your answer in W. (Use the KE obtained from the previous required)arrow_forwardEnergy is added to a piston and cylinder apparatus. Consider the density (pV) as constant. The pressure and the initial volumes are 200kPa and 2m3, respectively. If the final pressure is 100kPa, calculate the work done by the gas in the piston.arrow_forwardQ. 28 : The work done is blowing a soap bubble of radius (R) is (W). The work done in making the soap bubble of radius (2R) from the same soap solution is : (a) W/4 (b) 2W (c) W/2 (d) 4Warrow_forward
- 1. A rubberized sphere contains carbon dioxide. If the initial radius of the sphere is 15cm: a. How much work is done if the carbon dioxide-filled sphere expanded to five times its original volume against the pressure at STP? Express your answer in Latm. b. Upon the expansion of the sphere, what is the kinetic energy of a single carbon dioxide molecule if it travels across the diameter and covers it in 30ms? Assume that the sphere contains one mole of carbon dioxide. Express your answer in J. c. How much power can all the molecules in this sphere generate after 30s? Assume that the sphere contains one mole of carbon dioxide and that all molecules have the same kinetic energy. Express your answer in W. (Use the KE obtained from the previous required)arrow_forwardThe formula for work in thermodynamics is given by PV=W. Suppose that at any pressure, P=h(V+Vo-1) where V is the volume and Vo is the initial volume. h and Vo are constants. If work is to be maximized, what is the correct expression of maximum work in terms of constants?arrow_forwardA hand-driven tire pump has a piston with a 2.2 cm diameter and a maximum stroke of 34 cm. How much work do you do in one stroke if the average gauge pressure is 2.6 × 10° N/m²? W = What average force do you exert on the piston, neglecting friction and gravitational force? F =arrow_forward
- The work done is blowing a soap bubble of radius (R) is (W). The work done in making the soap bubble of radius (2R) from the same soap solution is: W/4 W/2 (a) (c) (b) (d) 2W 4Warrow_forwardProblem 7: Mike is trying to determine the amount of work his experimental air compressor is doing. He finds that the amount of work done (W) depends on the rate of change in pressure created by the pump (dP/dt) with respect to time, the volume of air inside the pump (V), and the speed at which air moves out of the pump (v). Part (a) After an initial test run Mike determines that his pump does 280 J of work (W1). Calculate the amount of work (W2) in J that Mike would expect his pump to do if its volume were 3.5 times greater. W2 = ______ Part (b) If Mike wanted to reduce the volume of his pump by a factor of 6.5, yet keep it doing the same amount of work at the same airspeed, by what numerical factor (B) would he have to increase the rate of change in pressure (dP/dt) his pump creates? B = ______arrow_forward13. ssm (a) Using the data presented in the accompanying pressure- volume graph, cstimate the magnitude of the work done when the system changes from A to B to C along the path shown. (b) Determine whether the work is done by the system or on the system and, hence, whether the work is positive or negative. A' 1.0 x 104 Pa Volume 2.0 x 10-3 m3 Pressurearrow_forward
- The work done in blowing a soap bubble from radius (r) to (2r) is : 4πr²T 8πr²T (a) (c) (b) 12mr2T (d) 24 mrTarrow_forward1. A rubberized sphere contains carbon dioxide. If the initial radius of the sphere is 15cm:a. How much work is done if the carbon dioxide-filled sphere expanded to five times its original volume against the pressure at STP? Express your answer in L atm.b. Upon the expansion of the sphere, what is the kinetic energy of a single carbon dioxide molecule if it travels across the diameter and covers it in 30ms? Assume that the sphere contains one mole of carbon dioxide. Express your answer in J.c. How much power can all the molecules in this sphere generate after 30s? Assume that the sphere contains one mole of carbon dioxide and that all molecules have the same kinetic energy. Express your answer in W. (Use the KE obtained from the previous required) (Note that 1L atm=101.325J)arrow_forward1. A rubberized sphere contains carbon dioxide. If the initial radius of the sphere is 15cm:a. How much work is done if the carbon dioxide-filled sphere expanded to five times its original volume against the pressure at STP? Express your answer in L atm.b. Upon the expansion of the sphere, what is the kinetic energy of a single carbon dioxide molecule if it travels across the diameter and covers it in 30ms? Assume that the sphere contains one mole of carbon dioxide. Express your answer in J.c. How much power can all the molecules in this sphere generate after 30s? Assume that the sphere contains one mole of carbon dioxide and that all molecules have the same kinetic energy. Express your answer in W. (Use the KE obtained from the previous required) Answer the letter c only . (Note that 1L atm=101.325J)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Thermodynamics: Crash Course Physics #23; Author: Crash Course;https://www.youtube.com/watch?v=4i1MUWJoI0U;License: Standard YouTube License, CC-BY