University Physics with Modern Physics (14th Edition)
14th Edition
ISBN: 9780321973610
Author: Hugh D. Young, Roger A. Freedman
Publisher: PEARSON
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Chapter 19.3, Problem 19.3TYU
The system described in Fig. 19.7a undergoes four different
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In an isothermal process for an ideal gas system, where the internal energy is directly proportional to its Kelvin temperature, which of the following choices best corresponds to the value of the work done by the system?
(a) Its heat intake.
(b) Twice its heat intake.
(c) The negative of its heat intake.
(d) Twice the negative of its heat intake.
(e) zero
An internal combustion engine has the following characteristics: (a) the combustion chamber temperature is 1900 ᵒC; (b) the temperature in the exhaust chamber is 430 ᵒC; (c) with the consumption of the equivalent of 7.0 × 10⁹ cal of fuel the engine produces 1.4 × 10¹⁰ J of work in one hour. What is the thermal efficiency of this engine?
I. 77%
II. 68%
III. 56%
IV. 48%
V. 37%
VI. 25%
If necessary, consider:
R = 8.314 J/mol∙K1 cal = 4.19 Jkb =1,38 x 10⁻²³ m² kg s⁻² K⁻¹
In a thermodynamic process, 1500 J of heat flows into the system and, at the same time, the system expands against a constant external pressure of 9.00 × 104 Pa. If the volume of the system increases from 0.020 m3 to 0.050 m3, calculate the change in internal (thermal) energy of the system.
Chapter 19 Solutions
University Physics with Modern Physics (14th Edition)
Ch. 19.1 - In Example 17.7 (Section 17.6), what is the sign...Ch. 19.2 - A quantity of ideal gas undergoes an expansion...Ch. 19.3 - The system described in Fig. 19.7a undergoes four...Ch. 19.4 - Rank the following thermodynamic processes...Ch. 19.5 - Which of the processes in Fig. 19.7 are isochoric?...Ch. 19.6 - Prob. 19.6TYUCh. 19.7 - You want to cool a storage cylinder containing 10...Ch. 19.8 - You have four samples of ideal gas, each of which...Ch. 19 - For the following processes, is the work done by...Ch. 19 - Prob. 19.2DQ
Ch. 19 - In which situation must you do more work:...Ch. 19 - Prob. 19.4DQCh. 19 - Discuss the application of the first law of...Ch. 19 - When ice melts at 0C, its volume decreases. Is the...Ch. 19 - You hold an inflated balloon over a hot-air vent...Ch. 19 - You bake chocolate chip cookies and put them,...Ch. 19 - Imagine a gas made up entirely of negatively...Ch. 19 - In an adiabatic process for an ideal gas, the...Ch. 19 - When you blow on the back of your hand with your...Ch. 19 - An ideal gas expands while the pressure is kept...Ch. 19 - A liquid is irregularly stirred in a...Ch. 19 - When you use a hand pump to inflate the tires of...Ch. 19 - In the carburetor of an aircraft or automobile...Ch. 19 - On a sunny day, large bubbles of air form on the...Ch. 19 - The prevailing winds on the Hawaiian island of...Ch. 19 - Prob. 19.18DQCh. 19 - In a constant-volume process, dU = nCV dT. But in...Ch. 19 - When a gas surrounded by air is compressed...Ch. 19 - When a gas expands adiabatically, it does work on...Ch. 19 - Prob. 19.22DQCh. 19 - A system is taken from state a to state b along...Ch. 19 - A thermodynamic system undergoes a cyclic process...Ch. 19 - Two moles of an ideal gas are heated at constant...Ch. 19 - Six moles of an ideal gas are in a cylinder fitted...Ch. 19 - Prob. 19.3ECh. 19 - BIO Work Done by the Lungs. The graph in Fig....Ch. 19 - CALC During the time 0.305 mol of an ideal gas...Ch. 19 - A gas undergoes two processes. In the first, the...Ch. 19 - Work Done in a Cyclic Process. (a) In Fig. 19.7a,...Ch. 19 - Figure E19.8 shows a pV-diagram for an ideal gas...Ch. 19 - A gas in a cylinder expands from a volume of 0.110...Ch. 19 - Five moles of an ideal monatomic gas with an...Ch. 19 - The process abc shown in the pV-diagram in Fig....Ch. 19 - A gas in a cylinder is held at a constant pressure...Ch. 19 - The pV-diagram in Fig. E19.13 shows a process abc...Ch. 19 - Boiling Water at High Pressure. When water is...Ch. 19 - An ideal gas is taken from a to b on the...Ch. 19 - During an isothermal compression of an ideal gas,...Ch. 19 - A cylinder contains 0.250 mol of carbon dioxide...Ch. 19 - A cylinder contains 0.0100 mol of helium at T =...Ch. 19 - In an experiment to simulate conditions inside an...Ch. 19 - When a quantity of monatomic ideal gas expands at...Ch. 19 - Heat Q flows into a monatomic ideal gas, and the...Ch. 19 - Three moles of an ideal monatomic gas expands at a...Ch. 19 - An experimenter adds 970 J of heat to 1.75 mol of...Ch. 19 - Propane gas (C3Hg) behaves like an ideal gas with ...Ch. 19 - CALC The temperature of 0.150 mol of an ideal gas...Ch. 19 - Five moles of monatomic ideal gas have initial...Ch. 19 - A monatomic ideal gas that is initially at 1.50 ...Ch. 19 - The engine of a Ferrari F355 F1 sports car takes...Ch. 19 - During an adiabatic expansion the temperature of...Ch. 19 - A player bounces a basketball on the floor,...Ch. 19 - On a warm summer day, a large mass of air...Ch. 19 - A cylinder contains 0.100 mol of an ideal...Ch. 19 - A quantity of air is taken from state a to state b...Ch. 19 - One-half mole of an ideal gas is taken from state...Ch. 19 - Figure P19.35 shows the pV-diagram for a process...Ch. 19 - The graph in Fig. P19.36 shows a pV-diagram for...Ch. 19 - When a system is taken from state a to state b in...Ch. 19 - A thermodynamic system is taken from state a to...Ch. 19 - A volume of air (assumed to be an ideal gas) is...Ch. 19 - Three moles of argon gas (assumed to be an ideal...Ch. 19 - Two moles of an ideal monatomic gas go through the...Ch. 19 - Three moles of an ideal gas are taken around cycle...Ch. 19 - Figure P19.43 shows a pV-diagram for 0.0040 mol of...Ch. 19 - (a) Onc-third of a mole of He gas is taken along...Ch. 19 - Starting with 2.50 mol of N2 gas (assumed to be...Ch. 19 - Nitrogen gas in an expandable container is cooled...Ch. 19 - CALC A cylinder with a frictionless, movable...Ch. 19 - CP A Thermodynamic Process in a Solid. A cube of...Ch. 19 - Prob. 19.49PCh. 19 - High-Altitude Research. A large research balloon...Ch. 19 - An air pump has a cylinder 0.250 m long with a...Ch. 19 - A certain ideal gas has molar heat capacity at...Ch. 19 - A monatomic ideal gas expands slowly to twice its...Ch. 19 - CALC A cylinder with a piston contains 0.250 mol...Ch. 19 - Use the conditions and processes of Problem 19.54...Ch. 19 - CALC A cylinder with a piston contains 0.150 mol...Ch. 19 - Use the conditions and processes of Problem 19.56...Ch. 19 - Comparing Thermodynamic Processes. In a cylinder,...Ch. 19 - DATA You have recorded measurements of the heat...Ch. 19 - DATA You compress a gas in an insulated cylinderno...Ch. 19 - DATA You place a quantity of gas into a metal...Ch. 19 - Prob. 19.62CPCh. 19 - BIO ANESTHETIC GASES. One type of gas mixture used...Ch. 19 - BIO ANESTHETIC GASES. One type of gas mixture used...Ch. 19 - BIO ANESTHETIC GASES. One type of gas mixture used...Ch. 19 - BIO ANESTHETIC GASES. One type of gas mixture used...
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