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Ch11 HW2 S2008 - Ch11 HW2 S2008 10:36 AM Web Assign Ch11...

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4/25/08 10:36 AM Ch11 HW2 S2008 Page 1 of 2 http://www.webassign.net/[email protected]/[email protected] Ch11 HW2 S2008 (Homework) KRISTIN SEILOFF PHYS 2211 M & N Spring 08, section N05, Spring 2008 Instructor: Jennifer Curtis Description Entropy; Temperature Instructions Reading: Sections 11.4-11.5 Web Assign Current Score: 16 out of 16 Due: Monday, April 21, 200808:35 AM EDT 1. 3/3 points | 2/4 submissions Object A and object B are two identical microscopic objects. The table below shows the number of ways to arrange energy in one of these objects, as a function of the amount of energy in the object. E (joules) 4.e-21 6.e-21 8.e-21 1.e-20 1.2e-20 1.4e-20 1.6e-20 # ways 6 20 37 60 90 122 148 When there are 1.e-20 joules of energy in object A , what is the entropy of this object? S A = 5.65e-23 5.65e-23 J/K When there are 1.4e-20 joules of energy in object B , what is the entropy of this object? S B = 6.63e-23 6.63e-23 J/K Now the two objects are placed in contact with each other. At this moment, before there is time for any energy flow between the objects,
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