# Quiz3 - • • (A) (B) sucrose + water water c t Physics...

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Unformatted text preview: • • (A) (B) sucrose + water water c t Physics 7B-A/B Quiz # 3 DL sec: Name: 2/6/08 last, frst Codes: grading use only • • (A) (B) sucrose + water water c t 1.)  Two containers are connected by a tube  of interior cross section area 1.2 ª 10-4  m 2    and length 8.0 cm shown.  The container on  the left contains water, and the container on  the right contains water with a high  concentration of sucrose.  The diffusion  constant for sucrose in water is  5.0 ª 10-10 m 2 /s  .  The initial diffusion current in the tube for the sucrose is  3.0 ª 10 15  s-1 . a)  (10%) Which direction will the sucrose in the tube flow? The sucrose will flow toward lower concentration; hence, to the left. b)  (10%) During a time when the flow is approximately steady, is the diffusion current at point  (A) greater than, less than, or the same as the diffusion current at point (B)? The currents must be the same to conserve particles....
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## This note was uploaded on 07/31/2008 for the course PHY 7b taught by Professor Taylor during the Winter '08 term at UC Davis.

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Quiz3 - • • (A) (B) sucrose + water water c t Physics...

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