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in Thermodynamics by (44.9k points)
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Calculate the entropy change in the system. and in the surroundings and the total entropy change in the universe when during a process 75 J of heat flow out of the system at 55°C to the surrounding at 20°C.

1 Answer

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Best answer

Heat flow (q) = 75 J 

Entropy change = ∆S = ? 

Temperature of the system = 55°C + 273 = 328 K 

Temperature of the surroundings = 20°C + 273 = 293 K

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