Water of mass m gram is slowly heated to increase the temperature from T 1 to T z The change in entropy of the water, given specific heat of water is 1 Jkg − 1 K − 1 , is :

Question

Water of mass m gram is slowly heated to increase the temperature from T 1 ​ to T z ​ The change in entropy of the water, given specific heat of water is 1 Jkg − 1 K − 1 , is :

TestHub · Accepted Answer

​ d Q = msdT dS = T dQ ​ = T msdT ​ Δ S = ∫ T msdT ​ = ms ln T i ​ T f ​ ​ Δ S = m ln T 1 ​ T 2 ​ ​ ​

Physics - Heat & Thermo Question with Solution | TestHub

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