A nickel block that weighs 30 kg and with an initial temperature of 200 ⁰C is...

A nickel block that weighs 30 kg and with an initial temperature of 200 ⁰C is dropped into an insulated tank that contains 150 L of water at 25 ⁰C.

a. Briefly state what the definition of entropy is. [2 marks]

b. State two relevant assumptions for this question. [2 marks]

c. Calculate the final equilibrium temperature for this system.

Assume that the density and specific heat of water at 25 ⁰C are ρ= 997 kg/m3 and cp = 4.18 kJ/kg·⁰C. [10 marks]

d. Determine the total entropy change for this system. [9 marks]

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Expert Solution

Amanda K answered 3 weeks ago

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