A partial molar property of a component in a mixture may be either greater than or less than the corresponding pure component molar property. Furthermore, the partial molar property may vary with composition in a complicated way. Let's study in more detail a very popular mixture: ethanol and water. Compute the (a) the partial molar volumes, and (b) the partial molar enthalpies of ethanol and water in an ethanol-water mixture. Below are some experimental data on this mixture provided by the International Critical Tables. Heat Evolved on Mixing at 17.33°C (kJ/mol Alcohol wt% Density at 20°C (kg m-³) Mole% x 10-³ Water of Ethanol) 0 0.9982 5 0.9894 22222222222222 10 0.9819 15 0.9751 20 0.9686 25 0.9617 30 0.9538 35 0.9494 40 0.9352 45 0.9247 50 0.9138 0.9026 0.8911 0.8795 65 0.8677 0.8556 75 0.8434 85 0.8310 90 0.8180 90 95 0.8042 95 5052223242583R22222 0.042 10 0.092 15 0.167 0.251 0.335 0.423 0.519 0.636 0.757 0.946 1.201 1.507 1.925 70 2.478 3.218 4.269 5.821 7.801 9.818 100 0.7893