1 Doing Physics 2 Motion In A Straight Line 3 Motion In Two And Three Dimensions 4 Force And Motion 5 Using Newton's Laws 6 Energy, Work, And Power 7 Conservation Of Energy 8 Gravity 9 Systems Of Particles 10 Rotational Motion 11 Rotational Vectors And Angular Momentum 12 Static Equilibrium 13 Oscillatory Motion 14 Wave Motion 15 Fluid Motion 16 Temperature And Heat 17 The Thermal Behavior Of Matter 18 Heat, Work, And The First Law Of Thermodynamics 19 The Second Law Of Thermodynamics expand_more
18.1 The First Law Of Thermodynamics 18.2 Thermodynamic Processes 18.3 Specific Heats Of An Ideal Gas Chapter Questions expand_more
Problem 1FTD Problem 2FTD Problem 3FTD Problem 4FTD: Why cant an irreversible process be described by a path in a pV diagram? Problem 5FTD: Are the initial and final equilibrium states of an irreversible process describable by points in a... Problem 6FTD: Does the first law of thermodynamics apply to irreversible processes? Problem 7FTD Problem 8FTD: Figure 18.18 shows two processes, A and B. that connect the same initial and final states, 1 and 2.... Problem 9FTD: When you let air out of a tire, the air seems cool. Why? What kind of process is occurring? Problem 10FTD: Blow on the back of your hand with your mouth wide open. Your breath will feel hot. Now tighten your... Problem 11FTD: You boil water in an open pan. Of which of the four basic processes we considered is this an... Problem 12FTD: Three identical gas-cylinder systems are compressed from the same initial state to final states that... Problem 13FTD Problem 14FTD: In what sense can a gas of diatomic molecules be considered an ideal gas, given that its molecules... Problem 15E Problem 16E Problem 17E: A 40-W heat source is applied to a gas sample for 25 s, during which time the gas expands and does... Problem 18E: Find the rate of heat flow into a system whose internal energy is increasing at the rate of 45 W,... Problem 19E: In a certain automobile engine, 17% of the total energy released in burning gasoline ends up as... Problem 20E: An ideal gas expands from the state (p1, V1) to the state (p2, V2), where p2 = 2p1 and V2 = 2V1. The... Problem 21E: Repeat Exercise 20 for a process that follows the path ACB in Fig. 18.19. Problem 22E: A balloon contains 0.30 mol of helium. It rises, while maintaining a constant 300-K temperature, to... Problem 23E: The balloon of Exercise 22 starts at 100 kPa pressure and rises to an altitude where p = 15 kPa,... Problem 24E: How much work does it take to compress 2.5 mol of an ideal gas to half its original volume while... Problem 25E: By what factor must the volume of a gas with = 1.4 be changed in an adiabatic process if the kelvin... Problem 26E Problem 27E: A carbon-sequestration scheme calls for isothermally compressing 6.8 m3 of carbon dioxide, initially... Problem 28E: A gas mixture contains 2.5 mol of O2 and 3.0 mol of Ar. What are this mixtures molar specific heats... Problem 29E: A mixture of monatomic and diatomic gases has specific-heat ratio = 1.52. What fraction of its... Problem 30E: What should be the approximate specific-heat ratio of a gas consisting of 50% NO2 molecules ( =... Problem 31E Problem 32P: An ideal gas expands to 10 times its original volume, maintaining a constant 440 K temperature. If... Problem 33P: During cycling, the human body typically releases stored energy from food at the rate of 500 W, and... Problem 34P: A 0.25-mol sample of ideal gas initially occupies 3.5 L. If it takes 61 J of work to compress the... Problem 35P: As the heart beats, blood pressure in an artery varies from a high of 125 mm of mercury to a low of... Problem 36P: It takes 1.5 kJ to compress a gas isothermally to half its original volume. How much work would it... Problem 37P: A gas undergoes an adiabatic compression during which its volume drops to half its original value.... Problem 38P: A gas with = 1.40 occupies 6.25 L when its at 98.5 kPa pressure. (a) Whats the pressure after the... Problem 39P: A gas sample undergoes the cyclic process ABCA shown in Fig. 18.20, where AB is an isotherm. The... Problem 40P Problem 41P: A gasoline engine has compression ratio 8.5 (sec Example 18.3 for the meaning of this term), and the... Problem 42P: By what factor must the volume of a gas with = 1.4 be changed in an adiabatic process if the... Problem 43P: Volvos B5340 engine, used in the V70 series cars, has compression ratio 10.2, and the fuel-air... Problem 44P: A research balloon is prepared for launch by pumping into it 1.75 103 m3 of helium gas at 12C and... Problem 45P Problem 46P: By what factor does the internal energy of an ideal diatomic gas change when its compressed to half... Problem 47P: An ideal monatomic gas is compressed to half its original volume, (a) By what factor is the work... Problem 48P: A gas expands isothermally from state A to state B, in the process absorbing 35 J of heat. Its then... Problem 49P: A 3.50-mol sample of ideal gas with molar specific heat CV=52R is initially at 255 K and 101 kPa... Problem 50P: Prove that the slope of an adiabat at a given point in a pV diagram is times the slope of the... Problem 51P: An ideal gas with = 1.67 starts at point A in Fig. 18.21, where its volume and pressure are 1.00 m3... Problem 52P: The gas of Example 18.4 starts at state A in Fig. 18.14 and is compressed adiabatically until its... Problem 53P: The gas of Example 18.4 starts at state A in Fig. 18.14 and is heated at constant volume until its... Problem 54P: A 25-L sample of ideal gas with = 1.67 is at 250 K and 50 kPa. The gas is compressed isothermally... Problem 55P Problem 56P: A 25-L sample of ideal gas with = 1.67 is at 250 K and 50 kPa. The gas is compressed adiabatically... Problem 57P: Youre the product safety officer for a company that makes cycling accessories. Youre given a new... Problem 58P: Figure 18.22 shows data and a fit curve from an experimental measurement of the pressure-volume... Problem 59P: External forces compress 21 mol of ideal monatomic gas. During the process, the gas transfers 15 kJ... Problem 60P: A gas with = 7/5 is at 273 K when its compressed isothermally to one-third of its original volume... Problem 61P: An ideal gas with = 1.3 is initially at 273 K and 100 kPa. The gas is compressed adiabatically to... Problem 62P: The curved path in Fig. 18.23 lies on the 350-K isotherm for an ideal gas with = 1.4. (a) Calculate... Problem 63P: Repeat part (a) of Problem 62 for the path ACDA in Fig. 18.23. (b) How much heat flows into or out... Problem 64P: A gas mixture contains monatomic argon and diatomic oxygen. An adiabatic expansion that doubles its... Problem 65P: How much of a triatomic gas with Cv = 3R would you have to add to 10 mol of monatomic gas to get a... Problem 66P: An 8.5-kg rock at 0C is dropped into a well-insulated vat containing a mixture of ice and water at... Problem 67P: A piston-cylinder arrangement containing 0.30 mol of nitrogen at high pressure is in thermal... Problem 68P: Experimental studies show that the pV curve for a frog's lung can be approximated by p = I0v3 67v2... Problem 69P: Show that the application of Equation 18.3 to an adiabatic process results in Equation 18.12. Problem 70P: A horizontal piston-cylinder system containing n mol of ideal gas is surrounded by air at... Problem 71P Problem 72P: The table below shows measured values of pressure versus volume for an gas undergoing a... Problem 73P: In a reversible process, a volume of air V0= 17 m3 at pressure p0 = 1.0 atm is compressed such that... Problem 74P: A real gas is more accurately described using the van der Waals equation: [p + a(n/V)2](V nb) =... Problem 75P: Repeat Exercise 20 for an expansion along the path p = p1[ 1 + (V V1)2/V12]. Problem 76P: The adiabatic lapse rate is the rate at which air cools as it rises and expands adiabatically in the... Problem 77P: The nuclear power plant at which youre the public affairs manager has a backup gas-turbine system.... Problem 78P Problem 79P: One scheme for reducing greenhouse-gas emissions from coal-fired power plants calls for capturing... Problem 80PP: Warm winds called Chinooks (a Native-American term meaning snow eaters) sometimes sweep across the... Problem 81PP: Warm winds called Chinooks (a Native-American term meaning snow eaters) sometimes sweep across the... Problem 82PP: Warm winds called Chinooks (a Native-American term meaning snow eaters) sometimes sweep across the... Problem 83PP: Warm winds called Chinooks (a Native-American term meaning snow eaters) sometimes sweep across the... format_list_bulleted