3) Calculate the entropy change in the melting of 1 kg of ice at 0 °C. Heat of fusion of ice = 334.72 Jg' (2 x 1 = 2 mar

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3 Calculate The Entropy Change In The Melting Of 1 Kg Of Ice At 0 C Heat Of Fusion Of Ice 334 72 Jg 2 X 1 2 Mar 1 (27.55 KiB) Viewed 84 times

3) Calculate the entropy change in the melting of 1 kg of ice at 0 °C. Heat of fusion of ice = 334.72 Jg' (2 x 1 = 2 marks) 4) Calculate the entropy increase in the evaporation of one mole of water at 100 °C. Heat of vaporization of water at 100 °C = 2259.4 Jg*' (2 x 1 = 2 marks) 5) Calculate the maximum efficiency of an engine operating between 110 °C and 25 °C. (2 x 1 = 2 marks) QH-Qc_T:-T (Hint: er ) QH TH 6) Heat supplied to a Carnot engine is 1897.8 kJ. How much useful work can be done by the engine which works between 0 °C and 100 °C? (4 x 1 = 4 marks)