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it's ok to use any one metal of them 23. Use the FIFTH digit of your student ID number and Table 3-1 to determine which

it's ok to use any one metal of them
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23. Use the FIFTH digit of your student ID number and Table 3-1 to determine which material you will use for this question. For example, if your student ID number is 10123456, the fifth digit is 3 and you would solve the problems based on the parameters for iron (Fe). Table 1. Physical properties for Q3 at 298K reference temperature. The enthalpy of fusion is given at its equilibrium melting point at (a) State why no value is given for df for any of the metals. (1 mark) (b) Explain why solid Fe,Cu and Ti have similar values for Cp. (2 marks) (c) Calculate the heat transferred by the system, qmv for freezing exactly 1 mole of your liquid metal at Tessand1 bar pressure. (7 marks) (d) Explain why the magnitude of the heat transferred is lower than fissH. (1 mark) (e) Calculate the standard entropy change of the system, S sys for freecing the metal at T9y and 1 bar pressure. (2 marks) (f) Explain why 5 sys is negative for the process in part (e). (1 mark) (g) Calculate the standard entropy change of the surroundings, Ssum, for freezing the metal at Tsss and 1 bar pressure. (3 marks) (h) (i) Calculate the entropy change of the universe, Suniv, for this process. (2 marks) (ii) Use this value to explain why the process is expected to be spontaneous. (1 mark)

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