hw 2 enviro engineering - 10 points Save for sorption of...

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Question 1 10 points Save Water, air and soil are at equilibrium in a container. A chemcial Q is polluting all the three media. At equilibrium, the concentration of Q is 5 mg/L in air, 2 mg/L in water and 0.01 mg/Kg in soil. The Kaw (Lw/Lair) and Kd (Lw/Kg soil) for the chemcial Q are: [choose the correct set of two numbers] 2.5, 200 2.5, 0.005 500, 200 Question 2 10 points Save Estimate the for ethylbenzene from Table 2.3 of the book.
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Question 3 10 points Save Estimate the for ethylbenzene. Question 4 10 points Save A soil weighs 250 (gr) and is made up of 4 (gr) of organic carbon. The and of this soil are and , respectively. Question 5
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Unformatted text preview: 10 points Save for sorption of ethylbenzene to the soil mentioned in question 4 is: 1.22 9.26 5.30 4.71 Question 6 10 points Save 2 (L) of water, 5 (L) of air and 1 (kg) of soil are all present at equilibrium in a container. If the equilibrium water concentration is 0.1, then: Question 6 10 points Save A. 0.926 B. 0.032 C. 0.926 D. 0.16 E. 0.20 Question 7 10 points Save 5 (L) of water initially contains color at a concentretion of 5 (mg/l). 20 (gr) of soil are added and the color decreases to a final concentration of 0.5 (mg color/L water). The for color sorption to soil in units of Lw/g soil is . .....
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This note was uploaded on 04/29/2008 for the course CE CE 5401 taught by Professor Mittal during the Fall '08 term at University of Colorado Denver.

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hw 2 enviro engineering - 10 points Save for sorption of...

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