Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Chapter 27.2, Problem 1dTH
To determine
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First Law of Thermodynamics
PROCEDURES: in the pictures attached
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Chapter 27 Solutions
Tutorials in Introductory Physics
Ch. 27.1 - Prob. 1aTHCh. 27.1 - In this process, which of the quantities P, V, n,...Ch. 27.1 - Consider the following incorrect student...Ch. 27.1 - Explain why it is not possible to use the ideal...Ch. 27.1 - A long pin is used to hold the piston in place as...Ch. 27.1 - A long pin is used to hold the piston in place as...Ch. 27.1 - Prob. 2cTHCh. 27.2 - Prob. 1aTHCh. 27.2 - Prob. 1bTHCh. 27.2 - Prob. 1cTH
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- Suppose a monatomic ideal gas is changed from state A to state D by one of the processes shown on the PV diagram. 1. The gas follows the constant-temperature path AC followed by the constant-pressure path CD. What is the total work done on the gas ? What is the total change in internal energy of the gas during the entire process? What is the total heat flow into the gas?arrow_forwardAnswer the following question comprehensively. Show your complete solution. a. Suppose a woman does 500 J of work and 9000 J of heat transfer occurs into the environment in the process. What is the decrease in her internal energy, assuming no consumption of food?arrow_forwardtemperatures, including absolute zero. Show how you draw the graphs with formulas and explain when necessary. b) In the adiabatic process for Fermi or Bose gas: VT2 Sbt., PV- Sht. and T/P Sbt. and photon gas PV-Sbt., VT' Sbt. and T/P- Sbt. Prove these formula.arrow_forward
- Give an equation for the infinitesimal change in entropy, ??, of a system in terms of the heat transfer ??? and the temperature ? at which the heat transfer occurs. Explain the sign convention.ii. A litre of water at 20 °C is placed in a fridge at 5 °C. Calculate the change in entropy of the water, including the sign, once all the water has come into thermal equilibrium.iii. Calculate the change in entropy of the fridge from part ii, including the sign.iv. Demonstrate that the Second Law has been obeyed in the process described in ii and iii.arrow_forwardBoyles Law states that when a sample of gas is compressed at a constant temperature, the product of the pressure and the volume remains constant: PV=C. A. Find the rate of change of volume with respect to pressure. B. A sample of gas in a container at low pressure and is steadily compressed at constant temperature for 10 minutes. Is the volume decreasing more rapidly at the beginning or the end of the 10minutes? Please Explain.. C. Prove that the isothermal compressibility is given by B=1/P.arrow_forward13 moles of monatomic ideal gas undergoes a thermodynamic process from point a topoint c, as shown by the PV diagram in Figure 1. i) Determine the work done ON the gas from point a to point c ii) Find the temperature of the gas at point barrow_forward
- 13 moles of monatomic ideal gas undergoes a thermodynamic process from point a to point c, as shown by the PV diagram in Figure 1. i) Determine the work done ON the gas from point a to point c. ii) Find the temperature of the gas at point b.arrow_forwardpin 6. A long pin is now used to hold the piston in place as shown in the diagram. The cylinder is then placed into boiling water. The valve remains closed for the whole time. a. Does the temperature of the gas increase, decrease, or remain the same? b. Sketch this process in the PV diagram. Using arrow, indicate the direction of the process on your graph. c. Explain why for this particular situation, it is impossible to determine the pressure of the gas as you did on question 1 (that is, by considering the free-body-diagram of the piston).arrow_forwardQuestion 2 A particular power plant operates with a heat-source reservoir at 350°C and a heatsink reservoir at 30°C. It has a thermal efficiency equal to 55% of the Carnot-engine thermal efficiency for the same temperatures. What is the thermal efficiency of the plant? Use the editor to format your answerarrow_forward
- 1) Answer each question TRUE or FALSE, and explain your answer briefly. A few sentences (with an illustrative diagram if relevant) should be sufficient. During a quasistatic adiabatic process, the entropy does not change. b) The volume V is an intensive thermodynamic variable. c) The pressure is an intensive thermodynamic variable.arrow_forwardAnswer the questions that follow. 1. Explain how the Zeroth law of thermodynamics in the figure A and B. 2. Metal lids on glass jars can often be loosened by running hot water over them. How is this possible? 3. Does it really help to run hot water over a tight metal lid on a glass jar before trying to open it? Explain your answer. 4. When a cold alcohol thermometer is placed in a hot liquid, the column of alcohol goes down slightly before going up. Explain why.arrow_forward1 kg of boiling water at a temperature of 109.3 degrees Celsius. The pressure is then doubled and the water evaporates at this new pressure to a degree of drought 0.9. By using a steam table. Determine: A. Pressure where evaporation B. The amount of heat that must be added before evaporation starts at a new temperature C. Wet steam enthalpy D. Wet steam entropy E. Wet vapor volume Note : picture 1 is pressure table, picture 2 is temperature table.arrow_forward
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