Physical Chemistry Third Edition

442 10 Transport Processes 10.1 The Macroscopic Description of Nonequilibrium States In earlier chapters we were able to calcula ...

10.1 The Macroscopic Description of Nonequilibrium States 443 one term in equations like Eq. (10.1-5) is nonzero. We assume that ...

444 10 Transport Processes 10.2 Transport Processes In a transport process, some quantity is transported from one place to anoth ...

10.2 Transport Processes 445 at a steady speed. Since Newton’s second law relates force and the rate of change of velocity (and ...

446 10 Transport Processes Solution Since the top of the vessel is at a higher temperature than the bottom, we assume that conve ...

10.2 Transport Processes 447 equal to 10−^9 m^2 s−^1  10 −^5 cm^2 s−^1. Diffusion coefficients for gases are somewhat larger th ...

448 10 Transport Processes The bottom of the slab is located atzz′. The area of the large face of the slab isAand the thickness ...

10.2 Transport Processes 449 Fick’s Second Law of Diffusion We substitute Eq. (10.2-4) into Eq. (10.2-9) to obtain Fick’s second ...

450 10 Transport Processes 2 1.5 2 1.0 2 0.5 c 0 0 0.5 1.0 1.5 z/cm Concentration t 5 4 hours t 5 2 hours t 5 1 hour t 50 Figure ...

10.2 Transport Processes 451 2 1.5 2 1.0 2 0.5 0 0.5 1.0 1.5 Concentration z/cm t 5 4 hours t 5 2 hours t 5 1 hour Figure 10.4 C ...

452 10 Transport Processes a model process such that an object repeatedly takes steps of fixed length in randomly chosen directi ...

10.2 Transport Processes 453 exerted on the fluid by the upper plate, but also for the force exerted on one layer of the fluid b ...

454 10 Transport Processes Surface of tube (radius R) Surface of imaginary cylinder (radiusr) System of flowing fluid Figure 10. ...

10.2 Transport Processes 455 traveled in 1 s. Since the circumference of a shell of radiusris equal to 2πrand since its thicknes ...

456 10 Transport Processes Exercise 10.6 The inside diameter of the buret in Example 10.6 is equal to 0.80 cm. Calculate the spe ...

10.2 Transport Processes 457 EXAMPLE10.8 Calculate the Reynolds number for the flow of water in Example 10.6. Is the flow lamina ...

458 10 Transport Processes whereFfis the frictional force on the object andris the radius of the object. The negative sign indic ...

10.2 Transport Processes 459 PROBLEMS Section 10.2: Transport Processes 10.3 One end of a bar of aluminum is maintained at 100.0 ...

460 10 Transport Processes flow is not laminar, do you think the speed would be greater or less than expected with laminar flow? ...

10.3 The Gas Kinetic Theory of Transport Processes in Hard-Sphere Gases 461 situation can be approximated in the laboratory by u ...