Predict the diffusion coefficient of acetone (CH3COCH3) in water at 25°C and 50°C using the Wilke-Chang equation. The experimental value is 1.28x10-9 m2/s at 25°C. (Viscosity of water at 25°C is 0.8937x10-3 Pa. s and at 50°C, 0.5494x10-3 Pa. s. Molar volume of acetone is 0.074 m3/kgmol.)

Acurve connects the data points that are plotted. (physical science chapter 11 motion)

Explain what makes a passenger in a turning car slide toward the door. critical thinking

An internally reversible refrigerator has a modified coefficient of performance accounting for realistic heat transfer processes of where qin is the refrigerator cooling rate, qout is the heat rejection rate, and is the power input. show that copm can be expressed in terms of the reservoir temperatures tc and th, the cold and hot thermal resistances rt, c and rt, h, and qin, as where rtot rt, c rt, h. also, show that the power input may be expressed as 1.39 a household refrigerator operates with cold- and hot-temperature reservoirs of tc 5 c and th 25 c, respectively. when new, the cold and hot side resistances are rc, n 0.05 k/w and rh, n 0.04 k/w, respectively. over time, dust accumulates on the refrigerator’s condenser coil, which is located behind the refrigerator, increasing the hot side resistance to rh, d 0.1 k/w. it is desired to have a refrigerator cooling rate of qin 750 w. using the results of problem 1.38, determine the modified coefficient of performance and the required power input w under (a) clean and (b) dusty coil conditions. internally reversible refrigerator qout qin w high-temperature reservoir low-temperature reservoir th th, i tc, i tc high-temperature side resistance low-temperature side resistance w qin th tc qinrtot tc qinrtot copm tc qinrtot th tc