A system of 100 kg mass undergoes a process in which its entropy change from 0.3 kJ kg − 1 K − 1 to 0.4 kJ kg − 1 K − 1 . At the same time, the entropy of surrounding 80 kJK − 1 to 75 kJK − 1 . Find t

Question

A system of 100 kg mass undergoes a process in which its entropy change from 0.3 kJ kg − 1 K − 1 to 0.4 kJ kg − 1 K − 1 . At the same time, the entropy of surrounding 80 kJK − 1 to 75 kJK − 1 . Find the ( Δ S ) universe ​ in kJK − 1 .

TestHub · Accepted Answer

Δ S sys ​ Δ S s u rr . ​ Δ S u ni . ​ ​ = ( 0.4 − 0.3 ) × 100 = 10 k J / K = 75 − 80 = − 5 k J / K = 10 − 5 = 5 k J / K ​

Chemistry - Thermodynamics - II Question with Solution | TestHub

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