Assume that liquid water has a temperature-independent capacity of 75 J mol-1K-1, and that for the...

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Chemistry

Assume that liquid water has a temperature-independent capacityof 75 J mol^-1K^-1, and that for the transitionbelow no heat is lost to the surroundings and the processes arereversible.
a. Calculate the chnge in entropy when 1 mol of liquid water iscooled from 100C to 50 C.
b. Calculate the change in entropy of the system when 1 mol ofliquid water at 100C is brought into contact with 1 mol of liquidwater at 0C.

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4.2 Ratings (812 Votes)

Let Cp 75 J mol1 K1 be the temperatureindependent heat capacity of water Both the processes are reversible a The change in entropy is given by S nCpln T2T1 where n moles of water taken T2 final See Answer

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