0 l to 140 l the change in chemical potential for the

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Unformatted text preview: T and that of the vapor pressure of the solid phase of that substance by ln(P) = 27.42117 – 4834.93 / T. In both cases, T is given in kelvin and P in kPa. Estimate the standard enthalpy of fusion for this substance. Show your calculations. a) 40. kJ/mol b) 34 kJ/mol c) 61 kJ/mol d) 29 kJ/mol e) 8.8 kJ/mol f) 8.6 kJ/mol g) 2.3 kJ/mol h) 5.7 kJ/mol i) 6.1 kJ/mol j) 9.5 kJ/mol k) 11 kJ/mol l) 14 kJ/mol Question 15: (5 points) The temperature dependence of the vapor pressure of the liquid phase of a substance can be approximated by the relation ln(P) = 21.38804 – 3776.53 / T and that of the vapor pressure of the solid phase of that substance by ln(P) = 27.42117 – 4834.93 / T. In both cases, T is given in kelvin and P in kPa. - 9 What is t...
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