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Chemical engineering thermodynamics
Note:- You can add tough questions into your favourite list for second revision. |
A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. Specific heat of block material is 0.4 kJ.kg-1. K-1. Ignoring the effect of expansion and contraction and also the heat capacity to tank, the total entropy change in kJ.kg-1 , K-1 is | |
A. | -1.87 [Wrong Answer] |
B. | 0 [Correct Answer] |
C. | 1.26 [Wrong Answer] |
D. | 3.91 [Wrong Answer] |