Consider forest soil in contact with water containing 3.9 μg/L. Use the Freundlich relation to determine...
- Consider forest soil in contact with water containing 3.9 μg/L. Use the Freundlich relation to determine the equilibrium concentration of adsorbed cadmium. Assume KF = 0.0324 L/g and nF= 0.82. Why is it appropriate to use the Freundlich relation in this case?
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Consider forest soil in contact with water containing 3.9 μg/L.
Use the Freundlich relation to determine...
7. The behaviour of lead in soil/water systems has been described in terms of Langmuir adsorption....
7. The behaviour of lead in soil/water systems has been described in terms of Langmuir adsorption. From laboratory experiments using 'pure solids, the following values for Langmuir parameters have been estimated For clay b = 3200 L mol- Com = 4x10-4 mol g For organic matter b = 10 000 L mol-' Csm = 4x10-4 mol g -7 (a) Use these values to calculate the concentration (in mg L or ppb) of water-soluble lead in equilibrium with clay containing 5...
(1 point) Consider two interconnected tanks as shown in the figure above. Tank 1 initial contains 10 L (liters) of water and 355 g of salt, while tank 2 initially contains 90 L of water and 345 g of...
(1 point) Consider two interconnected tanks as shown in the figure above. Tank 1 initial contains 10 L (liters) of water and 355 g of salt, while tank 2 initially contains 90 L of water and 345 g of salt. Water containing 40 g/L of salt is poured into tank1 at a rate of 4 L/min while the mixture flowing into tank 2 contains a salt concentration of 20 g/L of salt and is flowing at the rate of 1...
For the preparation and standardization of NaOH with KHP im supposed to boil water for 1hr and 30 min to remove CO2
For the preparation and standardization of NaOH with KHP im supposed to boil water for 1hr and 30 min to remove CO2....the problem is that if I don't boil it for that long and (30 min) b/c of not enough time but I put the water I boiled for 1/2 hr aproximately into a NaOH bottle with a CO2 absorber and stored it there for a few days. I would assume that I would have to boil the water again...but...
All of the following questions are in relation to the following journal article which is available...
All of the following questions are in relation to the following journal article which is available on Moodle: Parr CL, Magnus MC, Karlstad O, Holvik K, Lund-Blix NA, Jaugen M, et al. Vitamin A and D intake in pregnancy, infant supplementation and asthma development: the Norwegian Mother and Child Cohort. Am J Clin Nutr 2018:107:789-798 QUESTIONS: 1. State one hypothesis the author's proposed in the manuscript. 2. There is previous research that shows that adequate Vitamin A intake is required...
7. The behaviour of lead in soil/water systems has been described in terms of Langmuir adsorption. From laboratory experiments using 'pure solids, the following values for Langmuir parameters have been estimated For clay b = 3200 L mol- Com = 4x10-4 mol g For organic matter b = 10 000 L mol-' Csm = 4x10-4 mol g -7 (a) Use these values to calculate the concentration (in mg L or ppb) of water-soluble lead in equilibrium with clay containing 5...
(1 point) Consider two interconnected tanks as shown in the figure above. Tank 1 initial contains 10 L (liters) of water and 355 g of salt, while tank 2 initially contains 90 L of water and 345 g of salt. Water containing 40 g/L of salt is poured into tank1 at a rate of 4 L/min while the mixture flowing into tank 2 contains a salt concentration of 20 g/L of salt and is flowing at the rate of 1...
All of the following questions are in relation to the following journal article which is available on Moodle: Parr CL, Magnus MC, Karlstad O, Holvik K, Lund-Blix NA, Jaugen M, et al. Vitamin A and D intake in pregnancy, infant supplementation and asthma development: the Norwegian Mother and Child Cohort. Am J Clin Nutr 2018:107:789-798 QUESTIONS: 1. State one hypothesis the author's proposed in the manuscript. 2. There is previous research that shows that adequate Vitamin A intake is required...
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