*80. D The sun is a sphere with a radius of 6.96 X 10° m and an av-erage surface temperature of 5800 K. Determine the amount by whichthe sun's thermal radiation increases the entropy of the entire universeeach second. Assume that the sun is a perfect blackbody, and that theaverage temperature of the rest of the universe is 2.73 K. Do not con-sider the thermal radiation absorbed by the sun from the rest of theuniverse.

r=Radius of the Sun=6.96×108 mTs=Temperature of the Sun=5800 KTr=Temperature of the rest of the…

Answered: *80. D The sun is a sphere with a…

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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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.
The difference AS=S,- S,between the entropies of two states A and B of a system can be calculated as the integral fdQ/T, counting that: B a. A and B are in the same adiabatic b. A and B are at the same temperature c. The integral is calculated over a reversible path d.The system is thermally insulated e. Friction in the process is disregarded
9 PM Thu Apr 29 Problem 1 Unanswered Consider n moles of a monatomic ideal gas that goes through the reversible cycle abca shown in the pV diagram. What is the change in internal energy AUin going from c to a along the curved path? 9 -PoVo A 13 B - PoVo 21 - PoVo 24 -PoVo 2po Po as Vo 4Vo
12.
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Q2. What is the total change in entropy when 5.0 kg Of water at 15'℃ is brought into contact with a large heat reservoir at 1000C, after the water reached the temperature of the reservoir - -4186 J/kg,K 18. O
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
THERMODYNAMICS : For have: gas you Ju an ideal Is this TRUE/ FALSE ? If it's true, explain why:
Consider ? = 5.00 mol of an ideal diatomic gas successively undergoing each one of the following thermodynamic processes:I. An adiabatic compression from an original volume of 0.150 m3to final volumeof 0.120 m3reaching a temperature of 293.0 K.II. An isothermal expansion to the original volume.III. An isochoric cooling to the original state. A) Draw a pressure-volume diagram showing all these processes.B) Calculate the pressure and temperature for each of the missing principal states.

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