Suppose you have 03562g of na2c2o4 and is dissolved in 250
Suppose you have 0.3562g of Na2C2O4 and is dissolved in 250 mL volumetric flask. If 10 mL of this solution requires 48.36 mL of KMnO4 solution for titration, what is the molarity of the permanganate solution.
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Consider again the scenario above. Assume the water is static. Assume a datum at the water surface. a) What is the total head 5.0m below the river bed b) What is the pore water pressure at that level
A block of mass 0.243 kg is placed on top of a light, vertical spring of force constant 4 825 N/m, To what maximum height above the point of release does it rise
When 25.0 mL of unknown was passed through a jones reductor, molybdate ion (MoO4^2-) was converted to Mo^3+. The filtrate required 16.43 mL of .01033 M KMnO4 to reach purple end point
Constructing the foundation causes changes in the levels of vertical stress at all points in the soil. One such point lies at the centre of the footing plan, and is at a depth of 10 m. Determine the increment of vertical stress there.
Estimate the hourly production and unit cost of rock excavation by drilling and basting. The rock is limestone having a seismic velocity of 6000 ft/s. Trial blasting indicates that 3" holes drilled in 12 ft.
Your boss calls you into his office and he is extremely angry. He was embarrassed at a meeting because he put forward a recommendation that you had made and his idea was shot down by one of the technical geniuses in another department.
A solution of NaOH(aq) contains 8.7 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
Calculate the area of flow, hydraulic radius, wet perimeter, and top width of a 12-inch diameter pipe that flows at 1/4 of its capacity.
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