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a hot reservoir at 576k transfers 2100 j of heat irreversibly to a cold reservoir at...

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Physics

a hot reservoir at 576k transfers 2100 j of heat irreversibly toa cold reservoir at 350 k. Find change in entropy of theuniverse.

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3.6 Ratings (341 Votes)

Given Q = 2100 J

         T = 576 K

         T ' = 350 K

Change in entropy of the universe dS = (Q /T ' ) -(Q/T)

                                                      = (2100 /350 ) -( 2100 /576 )

                                                      = 6 - 3.6458

                                                      = 2.354 J/K
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