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- Application 14. Given the function f(x) = 3x3 - 48x find the following: (Round to 1 decimal place) a) The x and y intercepts [K/U: ] b) The local maximums and minimums [A:. c) Find any points of inflections [A: I d) Graph the function [C 54. A new dam has been built with a reservoir capacity of 1,000,000 AF when full. The river flowing into the reservoir has a flowrate of 3200 cfs. While the reservoir is filling, there must be releases of water downstream from the dam of 1,600 AF/d for irrigation; 5,000 gpm for powerplant cooling; and 10 mgd for a city. How many days will it take to fill? daysConsider a soil with bulk density of 1.43 g/cm3 soil. Sampling the top 7 inches of this soil and measuring the cation exchange capacity (using the ammonium acetate method) results in the following cations exchanged by NH4+: 6.6 cmol Ca2+/kg soil, 2.7 cmol Mg2+/kg soil, 1.3 cmol K+/kg soil, and 1.3 cmol Al3+/kg soil. How much K+ is present on the CEC in the top 7 inches of each acre of this soil (in ppm K)?
- Countercurrent Multistage Washing of Ore. A treated ore containing inert solid sulfate is to be leached in a countercurrent multistage gangue and copper extractor using pure water to leach the CuSO4. The solid charge rate per hour consists of 10000 kg of inert gangue (B), 1200 kg of CuSO, (solute A), and 400 kg of water (C). The exit wash solution is to contain 92 wt % water and 8 wt % CuSO4. A total of 95% of the CuSO, in the inlet ore is to be recovered. The underflow is constant at N Calculate the number of stages required. 0.5 kg inert gangue solid/kg aqueous solution.Balanced Chemical Equation MnO4- +5Fe2+ +8H+ --> Mn2+ + 5Fe3+ +4H2O Details mass (g) sample average molarity of KMNO4 solution final buret reading initial buret reading volume (mL) of the KMnO4 solution delivered amount (mmoles) KMnO4 needed to reach the end point amount (mmoles) Fe2+ reacted with KMnO4 amount (mmoles) Fe2+(NH4)2 (SO4)2 (6H20) mass (g) Fe2+(NH4)2 (SO4)2 (6H2O) present in the sample %Fe2+(NH4)2 (SO4)2 (6H2O) Trial 1 0.2284 9 mL 0 9 mL 0.18477 0.9239 0.9239 Trial 2 0.2132 0.02053 11 mL 0 11 mL 0.22583 1.1292 1.1292 Trial 3 0.2081 10 mL 0 10 mL 0.2053 1.0265 1.0265Consider a soil with bulk density of 1.34 g/cm3 soil. Sampling the top 7 inches of this soil and measuring the cation exchange capacity (using the ammonium acetate method) results in the following cations exchanged by NH4: 8.9 cmol Ca2+/kg soil, 3.7 cmol Mg2+/kg soil, 3.8 cmol K*/kg soil, and 3.8 cmol Al3+/kg soil. How much Ca2+ is present on the CEC in the top 7 inches of each acre of this soil (in pounds Ca/AFS)? Your Answer: Answer units
- tab as lock < STARTING AMOUNT esc Tap here or pull up for additional resources ! 1 38 F1 Q A X @ 2 * F2 W S # 3 8.0 F3 E D $ 4 Q F4 R 58.13 2.205 F A full truckload of garbage has a mass of 26370 pounds. What is this mass in kilograms? ADO FACTOR *( ) NY % слх 5 I FS T 1 G LINKSS ^ 6 Question 18 of 31 26370 1000 0.001 58130 lb G F6 Y kg MacBook Air ANSWER & 7 H O 4 11960 453.6 0.4536 F7 U * 00 8 RESET J DII FB I ( 9 K F9 0 ) - HAA - 0 4 F10 L P : 4 ; F11 { + [ I 4 FT4. A liquid stream flowing at 1250 g/min contains benzene. Calculate the flow rate in mole/h. 5. Toluene flowing through a horizontal pipe at 20 m/h. Determine the molar flow rate in Ibmole/s.◄ Mail 3:11 PM Fri Sep 16 M eBooks - My... < 1.90 1.91 1.92 1.93 1.94 1.95 1.96 AA ●●● prod.reader-ui.prod.mheducation.com x Additional Pr... C | Chegg.com G Suppose tha... Answer C Solved: Cha... ↓ C 75% + The surfab Answ Aa by mining gold from the ocean? Measurements show that 1.0 g of iron (Fe) contains 1.1 × 10²² Fe atoms. How many Fe atoms are in 4.9 g of Fe, which is the total amount of iron in the body of an average adult? The thin outer layer of Earth, called the crust, contains only 0.50% of Earth's total mass and yet is the source of almost all the elements (the atmosphere provides elements such as oxygen, nitrogen, and a few other gases). Silicon (Si) is the second most abundant element in Earth's crust (27.2% by mass). Calculate the mass of silicon in kilograms in Earth's crust. (The mass of Earth is 5.9 × 10²¹ tons. 1 ton = 2000 lb; 1 lb = = 453.6 g.) Page 37 The radius of a copper (Cu) atom is roughly 1.3 × 10−¹0 m. How many times can you divide evenly a piece of 10-cm…
- A circular lake of diameter 2.5m is receiving wastewater with a flow rate of 25 L/sec from a village has phosphorus concentration of 0.5 mg/L. The lake receives Phosphorus point source concentration of 0.8 g/sec. If the wastewater is completely mixed in the pond and removes phosphorus with a removal rate of 12 m/year, find the concentration of phosphorus (mg/L) in effluent water stream? Assume steady state. (Round-off to one decimal place).A fly ash aerosol of monodisperse particles with a density of 2.0 g/mL and particle diameter of 10.0 mm has a concentration of 1000.0 mg/m3. Calculate the settling velocity in cm/s and the settling rate in g/m2-s. Please answer very soon will give rating surelyb) A plot of land was explored and found to contain 1,000,000 grams of gold. The average goldconcentration was found to be 0.8 grams per ton. A mine was set up on it and sluice boxes were used as the main gold recovery units and recovered200,000 g of gold from 80% of the ore. The concentration ratio of the sluice boxes was 10,000.The field was mined again. On this occasion bowl concentrators were used. The feed used wasestimated to be 800,000 tons and the concentration ratio of this unit was 20,000. 750,000 grams ofgold was recovered. Calculate the following: i) the Quantity and grade concentrate from the sluice boxes .................. ..................... ii) the quantity and grade of the concentrate from the bowl concentrator plant. .............. iii) the quantity and grade of the material remaining at this location...................................