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A solid with a specific heat capacity c = 900 \, \text{J/mol·K} c=900J/kg.K an...
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A solid with a specific heat capacity c = 900 \, \text{J/mol·K}c=900J/kg.K and a mass of 1 kg is initially at Ti=400 KT_i = 400\, \text{K}. It is brought into contact with a thermal reservoir at Tf=300 KT_f = 300\, \text{K} and reaches this final temperature irreversibly. What is the entropy change of the solid?
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