Physics, Volume One: Chapters 1-17
10th Edition
ISBN: 9781118836880
Author: John D. Cutnell, Kenneth W. Johnson
Publisher: WILEY
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Chapter 12.10, Problem 22CYU
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The room whose windows are steamed up on the cold day.
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Ammonia enters the compressor of an industrial refrigeration plant at 2 bar, -10°C with a mass flow rate of 15 kg/min and is compressed to 12 bar, 140°C. Heat transfer from the compressor to its surroundings occurs at a rate of 6 kW. For steady-state operation, calculate,
(a) the power input to the compressor, in kW, Answer
(b) the entropy production rate, in kW/K, for a control volume encompassing the compressor and its immediate surroundings such that heat transfer occurs at 300 K.
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Shown to the right is a block of mass m=5.71kgm=5.71kg on a ramp that makes an angle θ=24.1∘θ=24.1∘ with the horizontal. This block is being pushed by a horizontal force, F=229NF=229N. The coefficient of kinetic friction between the two surfaces is μ=0.51μ=0.51.
Enter an expression for the acceleration of the block up the ramp using variables from the problem statement together with gg for the acceleration due to gravity.
a=
Chapter 12 Solutions
Physics, Volume One: Chapters 1-17
Ch. 12.1 - Prob. 1CYUCh. 12.4 - Prob. 2CYUCh. 12.4 - Prob. 3CYUCh. 12.4 - Prob. 4CYUCh. 12.4 - Prob. 5CYUCh. 12.4 - Prob. 6CYUCh. 12.4 - Prob. 7CYUCh. 12.5 - Prob. 8CYUCh. 12.5 - 9. Is the buoyant force provided by warmer water...Ch. 12.7 - Prob. 10CYU
Ch. 12.7 - Prob. 11CYUCh. 12.7 - Prob. 12CYUCh. 12.8 - Prob. 13CYUCh. 12.8 - Prob. 14CYUCh. 12.9 - Prob. 15CYUCh. 12.9 - Prob. 16CYUCh. 12.9 - Prob. 17CYUCh. 12.9 - Prob. 18CYUCh. 12.9 - Prob. 19CYUCh. 12.10 - Prob. 20CYUCh. 12.10 - Prob. 21CYUCh. 12.10 - Prob. 22CYUCh. 12 - Prob. 1FCCh. 12 - Prob. 2FCCh. 12 - 4. A ball is slightly too large to fit through a...Ch. 12 - Prob. 6FCCh. 12 - Prob. 7FCCh. 12 - Prob. 9FCCh. 12 - Prob. 10FCCh. 12 - Prob. 13FCCh. 12 - Prob. 15FCCh. 12 - Prob. 17FCCh. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Prob. 3PCh. 12 - Prob. 4PCh. 12 - Prob. 5PCh. 12 - Prob. 6PCh. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - 10. A steel section of the Alaskan pipeline had a...Ch. 12 - Prob. 11PCh. 12 - Prob. 12PCh. 12 - Prob. 13PCh. 12 - Prob. 14PCh. 12 - Prob. 15PCh. 12 - Prob. 16PCh. 12 - Prob. 17PCh. 12 - Prob. 18PCh. 12 - Prob. 19PCh. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Prob. 22PCh. 12 - Prob. 23PCh. 12 - Prob. 24PCh. 12 - Prob. 25PCh. 12 - **27. A steel ruler is calibrated to read true at...Ch. 12 - 28. A flask is filled with 1.500 L (L = liter) of...Ch. 12 - Prob. 29PCh. 12 - Prob. 30PCh. 12 - 31. A copper kettle contains water at 24 °C. When...Ch. 12 - Prob. 32PCh. 12 - Prob. 33PCh. 12 - Prob. 34PCh. 12 - Prob. 35PCh. 12 - Prob. 36PCh. 12 - *37. A spherical brass shell has an interior...Ch. 12 - Prob. 38PCh. 12 - Prob. 39PCh. 12 - Prob. 40PCh. 12 - Prob. 41PCh. 12 - Prob. 42PCh. 12 - Prob. 43PCh. 12 - Prob. 44PCh. 12 - Prob. 45PCh. 12 - Prob. 46PCh. 12 - Prob. 47PCh. 12 - Prob. 48PCh. 12 - Prob. 49PCh. 12 - Prob. 50PCh. 12 - Prob. 51PCh. 12 - Prob. 52PCh. 12 - Prob. 53PCh. 12 - Prob. 54PCh. 12 - Prob. 55PCh. 12 - Prob. 56PCh. 12 - Prob. 57PCh. 12 - Prob. 58PCh. 12 - Prob. 59PCh. 12 - Prob. 60PCh. 12 - Prob. 61PCh. 12 - Prob. 62PCh. 12 - Prob. 63PCh. 12 - Prob. 64PCh. 12 - Prob. 65PCh. 12 - *66. A snow maker at a resort pumps 130 kg of lake...Ch. 12 - Prob. 67PCh. 12 - *68. Water at 23.0 °C is sprayed onto 0.180 kg of...Ch. 12 - *69. An unknown material has a normal...Ch. 12 - Prob. 70PCh. 12 - Prob. 71PCh. 12 - Prob. 72PCh. 12 - Prob. 73PCh. 12 - Prob. 74PCh. 12 - Prob. 75PCh. 12 - Prob. 76PCh. 12 - Prob. 77PCh. 12 - 78. The vapor pressure of water at 10 °C is 1300...Ch. 12 - Prob. 79PCh. 12 - Prob. 80PCh. 12 - Prob. 81PCh. 12 - Prob. 82PCh. 12 - Prob. 83PCh. 12 - Prob. 84PCh. 12 - 85. An aluminum baseball bat has a length of 0.86...Ch. 12 - Prob. 86APCh. 12 - Prob. 87APCh. 12 - Prob. 88APCh. 12 - Prob. 89APCh. 12 - Prob. 90APCh. 12 - Prob. 91APCh. 12 - Prob. 92APCh. 12 - *93. Concrete sidewalks are always laid in...Ch. 12 - Prob. 94APCh. 12 - Prob. 95APCh. 12 - Prob. 96APCh. 12 - Prob. 97APCh. 12 - Prob. 98APCh. 12 - Prob. 99APCh. 12 - Prob. 100APCh. 12 - Prob. 101APCh. 12 - Prob. 102APCh. 12 - Prob. 103AP
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- A cylinder with a piston contains 0.153 mol of nitrogen at a pressure of 1.83×105 Pa and a temperature of 290 K. The nitrogen may be treated as an ideal gas. The gas is first compressed isobarically to half its original volume. It then expands adiabatically back to its original volume, and finally it is heated isochorically to its original pressure. Part A Compute the temperature at the beginning of the adiabatic expansion. Express your answer in kelvins. ΕΠΙ ΑΣΦ T₁ = ? K Submit Request Answer Part B Compute the temperature at the end of the adiabatic expansion. Express your answer in kelvins. Π ΑΣΦ T₂ = Submit Request Answer Part C Compute the minimum pressure. Express your answer in pascals. ΕΠΙ ΑΣΦ P = Submit Request Answer ? ? K Paarrow_forwardLearning Goal: To understand the meaning and the basic applications of pV diagrams for an ideal gas. As you know, the parameters of an ideal gas are described by the equation pV = nRT, where p is the pressure of the gas, V is the volume of the gas, n is the number of moles, R is the universal gas constant, and T is the absolute temperature of the gas. It follows that, for a portion of an ideal gas, pV = constant. Τ One can see that, if the amount of gas remains constant, it is impossible to change just one parameter of the gas: At least one more parameter would also change. For instance, if the pressure of the gas is changed, we can be sure that either the volume or the temperature of the gas (or, maybe, both!) would also change. To explore these changes, it is often convenient to draw a graph showing one parameter as a function of the other. Although there are many choices of axes, the most common one is a plot of pressure as a function of volume: a pV diagram. In this problem, you…arrow_forwardLearning Goal: To understand the meaning and the basic applications of pV diagrams for an ideal gas. As you know, the parameters of an ideal gas are described by the equation pV = nRT, where p is the pressure of the gas, V is the volume of the gas, n is the number of moles, R is the universal gas constant, and T is the absolute temperature of the gas. It follows that, for a portion of an ideal gas, pV = constant. T One can see that, if the amount of gas remains constant, it is impossible to change just one parameter of the gas: At least one more parameter would also change. For instance, if the pressure of the gas is changed, we can be sure that either the volume or the temperature of the gas (or, maybe, both!) would also change. To explore these changes, it is often convenient to draw a graph showing one parameter as a function of the other. Although there are many choices of axes, the most common one is a plot of pressure as a function of volume: a pV diagram. In this problem, you…arrow_forward
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