A groundwater contains a dissolved oxygen concentration of 5 mg/L. How many liters of groundwater would...
A groundwater contains a dissolved oxygen concentration of 5 mg/L. How many liters of groundwater would it take to oxidize 1 g of toluene to CO2?
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A groundwater contains a dissolved oxygen concentration of 5
mg/L. How many liters of groundwater would...
2. A groundwater contains 3.6 mg/L Fe+2 and 0.78 mg/L Mn+2. a. What dosage of ozone in mg/L is required to oxidize the...
2. A groundwater contains 3.6 mg/L Fe+2 and 0.78 mg/L Mn+2. a. What dosage of ozone in mg/L is required to oxidize the soluble iron and manganese. (Show balanced half reactions, balanced overall reactions, and stoichiometry derived from overall reactions). b. What mass concentration of solids is produced? c. Considering only the reaction of ozone and iron: If the pH is held constant at 6, the dissolved oxygen concentration is near saturation (assume 10 mg/L), and the residual ozone concentration...
6 MGD of wastewater with a dissolved oxygen concentration of 0.9 mg/L is discharged to a...
6 MGD of wastewater with a dissolved oxygen concentration of 0.9 mg/L is discharged to a river flowing at 40 ft'/sec. The river initially is saturated with oxygen. The saturation DO is 11.30 mg/L. The oxygen content of the river (mg/L) immediately after mixing is most nearly: (conversion factor: 7.48 gal= 1 ft') 1.30 9. 34 9.00 8.85 7.24 other, write your answer
6 MGD of wastewater with a dissolved oxygen concentration of 0.9 mg/L is discharged to a river...
A water contains 1 mg/L of PO43, how many mg/L of AlB+ would be needed to...
A water contains 1 mg/L of PO43, how many mg/L of AlB+ would be needed to lower the P043 concentration to 10-s mg/L? What is the final concentration of Al at equilibrium? Known: AlPO4 (s)AlPO3 pKs 20 *Assume this is the only relevant reaction
Calculate the concentration in units of mg/L for oxygen dissolved in 1050.0 mL of water at...
Calculate the concentration in units of mg/L for oxygen dissolved in 1050.0 mL of water at 25 °C, if the partial pressure of O2 in gas phase in equilibrium with the water is 238.1 mm Hg. Assume the density of water =1 g/mL
How many liters of oxygen are needed to exactly react with 13.8 g of methane at...
How many liters of oxygen are needed to exactly react with 13.8 g of methane at STP? CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l)
the equilibrium concentration of dissolved oxygen jn mg/L in Lake Titicaca. The elevation is 3.850 m...
the equilibrium concentration of dissolved oxygen jn mg/L in Lake Titicaca. The elevation is 3.850 m (atmospheric pressure = 0.62 atm)? Assume T-20 °C and K 0.62 atm)? Assume T-20 °C and Kn730 atm-L/mol. What would the concentration be with the same temperature at sea level? Explain the significance of this equation for a) developing and b) developed countries: 1 - (P)(A)(T)
Groundwater in New Mexico, initially contains 1.800 mg · L−1 of iron as Fe3+. What must...
Groundwater in New Mexico, initially contains 1.800 mg · L−1 of iron as Fe3+. What must the pH be raised to in order to precipitate all but 0.30 mg · L−1 of the iron? The temperature of the water is 25◦C. 1. Give the formula for the mineral that precipitates out of solution if pH is raised 2. Answer the question as stated in the book, except, the initial pH is 2.0 (acidic groundwater) and the final concentration of Fe3+...
Question 4 A contaminated groundwater contains 60 ug/L (i.e., 0.060 mg/L) of ethylbenzene. You are pumping...
Question 4 A contaminated groundwater contains 60 ug/L (i.e., 0.060 mg/L) of ethylbenzene. You are pumping this groundwater out from your client's site, and have to treat it before it is discharged. You have decided to treat it by air stripping, which will volatilize the ethylbenzene and remove it from the water. Assuming this removal occurs as a single-step process, estimate the volume of air (in L) that needs to be contacted with every 1 L of water to lower...
? ? Mine water flowing at 1.5 m3/s with 2 mg/l dissolved oxygen, joins river water...
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Mine water flowing at 1.5 m3/s with 2 mg/l dissolved oxygen, joins river water flowing at 7 m3ls containing 6 mg/I dissolved oxygen. The dissolved oxygen concentration of the mixture in mg/l is
10. 111 BIL. 9.19 Calculate the concentration of oxygen in mil- ligrams per liter required to...
10. 111 BIL. 9.19 Calculate the concentration of oxygen in mil- ligrams per liter required to completely oxidize the following organic compounds. Also calcu- late the volume of air in liters per liter of solu- tion treated. Use 500 mg/L as the concentration of each compound. a. methyl tertiary butyl ether (MTBE), C5H120 b. benzylmorphine, C24H25 NO3 c. bepridil, C24H34N20 d. toluene, H5C6H2C - H
6 MGD of wastewater with a dissolved oxygen concentration of 0.9 mg/L is discharged to a river flowing at 40 ft'/sec. The river initially is saturated with oxygen. The saturation DO is 11.30 mg/L. The oxygen content of the river (mg/L) immediately after mixing is most nearly: (conversion factor: 7.48 gal= 1 ft') 1.30 9. 34 9.00 8.85 7.24 other, write your answer
6 MGD of wastewater with a dissolved oxygen concentration of 0.9 mg/L is discharged to a river...
A water contains 1 mg/L of PO43, how many mg/L of AlB+ would be needed to lower the P043 concentration to 10-s mg/L? What is the final concentration of Al at equilibrium? Known: AlPO4 (s)AlPO3 pKs 20 *Assume this is the only relevant reaction
the equilibrium concentration of dissolved oxygen jn mg/L in Lake Titicaca. The elevation is 3.850 m (atmospheric pressure = 0.62 atm)? Assume T-20 °C and K 0.62 atm)? Assume T-20 °C and Kn730 atm-L/mol. What would the concentration be with the same temperature at sea level? Explain the significance of this equation for a) developing and b) developed countries: 1 - (P)(A)(T)
Question 4 A contaminated groundwater contains 60 ug/L (i.e., 0.060 mg/L) of ethylbenzene. You are pumping this groundwater out from your client's site, and have to treat it before it is discharged. You have decided to treat it by air stripping, which will volatilize the ethylbenzene and remove it from the water. Assuming this removal occurs as a single-step process, estimate the volume of air (in L) that needs to be contacted with every 1 L of water to lower...
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Mine water flowing at 1.5 m3/s with 2 mg/l dissolved oxygen, joins river water flowing at 7 m3ls containing 6 mg/I dissolved oxygen. The dissolved oxygen concentration of the mixture in mg/l is
10. 111 BIL. 9.19 Calculate the concentration of oxygen in mil- ligrams per liter required to completely oxidize the following organic compounds. Also calcu- late the volume of air in liters per liter of solu- tion treated. Use 500 mg/L as the concentration of each compound. a. methyl tertiary butyl ether (MTBE), C5H120 b. benzylmorphine, C24H25 NO3 c. bepridil, C24H34N20 d. toluene, H5C6H2C - H
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