Three moles of an ideal gas undergo a reversible isothermal compression at 17.0°C. During this compression, 1850 J of work is done on the gas. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Entropy change in a free expansion. hode=myAnswers&assignment ProblemID=182364755&hintl... 0 X What is the change of entropy of the gas? 195] ΑΣΦ Submit AS = 6.38 J/K The correct answer involves the variable To, which was not part of your anst No credit lost. Try again. ? Previous Answers Request Answer

Three moles of an ideal gas undergo a reversible isothermal compression at 17.0°C. During this compression, 1850 J of work is done on the gas. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Entropy change in a free expansion. hode=myAnswers&assignment ProblemID=182364755&hintl... 0 X What is the change of entropy of the gas? 195] ΑΣΦ Submit AS = 6.38 J/K The correct answer involves the variable To, which was not part of your anst No credit lost. Try again. ? Previous Answers Request Answer

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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#2. Suppose 2.35 moles of an ideal gas expands to twice its volume isothermally at 298 K. A) How much work is done by the gas? B) Show the work done on a pressure-volume (P-V) graph C) What is the change in entropy of the gas?
Six grams of helium (molecular mass = 4.0 u) expand isothermally at 370 K and does 9600 J of work. Assuming that the helium is an ideal gas, determine the ratio of the final volume of the gas to the initial volume. Number i Units Save for Later Attempts: 0 of 1 used Submit Answer
part 1 of 2 A Carnot engine has a power output of 72 kW. The engine operates between two reservoirs at 20°C and 286°C. How much thermal energy is absorbed each hour? Answer in units of J. part 2 of 2 How much thermal energy is lost per hour? Answer in units of J. Y Yo i
A monatomic gas in a certain gasoline engine undergoes an Otto cycle. a.) Assume that the pressure is increased by a factor of 1.5 during the adiabatic compression stroke, so that the pressure after this step is P2 = 1.5 P1, where P1 is the initial pressure. Write an equation for the volume V2 in terms of the volume before this step V1. b.) Write an equation for the temperature T2 after the adiabatic compression in terms of the temperature T1 before this step. c.) Assume the pressure is doubled after the isochoric step, such that the pressure after this step is P3 = 2.0 P2. Write an equation for the temperature after this step T3 in terms of a number (carried to two digits) multiplied by the temperature T2 before this step.
. A rigid container (0.066 m3) is filled with an ideal gas (Cv = 2.5R) at 501K and 1.1 bar. Calculate the entropy changes asked in below. When an axial mixer is installed in a container and 15,000 J of work is applied to the gas under the insulation process, what is the entropy change of the gas?
A system consisting of 20.0 mol of a monoatomic ideal gas is cooled at constant pressure from a volume of 50.0 L to 10.0 L. The initial temperature was 300 K. What is the change in entropy of the gas?
There are 2 kg of gas with R = 400 J/kg- oK and k = 1.25 that undergo a nonflow constant volume process from p1 = 600 kPa and T1 = 87 oC to p2 = 1600 kPa. During the process, the gas is internally stirred and there are added 220 kJ of heat. Find, a.T2 in oC b. Work input c. change of Entropy, S
Which of the following sentences is not correct? Entropy can decrease locally. O Efficiency of the Carnot cycle is between 0 and 1. O A process can have zero entropy change. O Change in entropy is a path dependent function.
On a hot summer day, 2.00 x 10° J of heat transfer into a parked car takes place, increasing its temperature from 35.5°C to 44.4°C. What is the increase in entropy (in J/K) of the car due to this heat transfer alone? J/K Additional Materials CS Scanned with CamScanner O Reading
Find the total change in entropy if 2 kg of ice at 0.0° C is mixed with 25 kg of water at 20° C. Take the specific heat capacity of water to be 4186 J/(kg. K) and the latent heat of fusion of ice to be 3.35 x 10°J/kg. Select one. O A. 51 J/K O B.38 J/K O€ 84 J/K D. 240 J/K E 148 J/K F. +51 J/K O G 18J/K H. +31J/K
5. For a system, the thermodynamic as)vn energy U is defined as a function of S, V, and n which is U(S,V,n) = kn3V 3e3nR %3D where S is the entropy, V is the volume, n is the number of moles, K is the constant, and R is the gas constant. Determine a. Based on the theory in Thermodynamics, (), T = Determine, b. Based on the theory in Thermodynamics, Pressure P = . S,n 5/8 Determine c. Determine ne d. Determine dU in dS, dV and dn
Please help me with these questions a. What is the name given to this cycle, and why is it important? The volume of the ideal gas at point 1 is V1, etc. By analysing the adiabatic processes, we find that: V_2/V_1 = V_4/V_3 b. The work done during the isothermal processes is WC (between points 1 and 2) and WH (between points 3 and 4). Find an expression for the fraction WC / WH in terms of TC and TH. c. Apply the First Law of Thermodynamics to the isothermal processes to show that the efficiency of this cycle is (please see the image with the corresponding formula for question c) d. Use the Second Law of Thermodynamics to explain why no heat engine can be more efficient than a perfectly reversible engine. You may wish to include a heat flow diagram in your answer.