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1. If the pH equals 7 and you add 10-6 moles of Fe3+ to one liter of water, how much precipitate will form (in mg Fe/L)?
2. Naphthalene has a log Kow of 3.36. Estimate its soil-water partition coefficient normalized to organic carbon and also the 95% confidence interval of your estimate.
Two identical alloy specimens are being evaluated for use in a new fuel rod design. One sample was exposed to a fast neutron flux of 9 X 10^23 neutrons/(cm2*sec) at a temperature of 323°K for six weeks in a test reactor.
The design parameters are: • Q = 65 m3/d, • Wetland area (A) = 0.23 hectares (2,300 m2) (including the safety factor), • Aspect ratio = 8:1 • Average water depth (d) = 0.5 m • Bed slope = 1% (0.01 m/m) Given that the Manning's resistance factor
A trapezoidal canal with a bottom width of 1.5m, a side slope Z=1, has a longitudinal slope of 0.4% and n=0.025. If the water depth in section 1 is 1.52 m and in section
What is the concentration of NH3 (in mg/L) of household ammonia that contains 3.00 percent by wieght of NH3. Assume the density of water = 1000kg/m^3
A suction device is being designed based on the venturi principle to lift objucts submerged in water. The operating water temperature is 50 C.
A vertical tank of 4.sm2 cross-sectional area is filled with 13.5m3 of water, 9.0m3 0f a fluid with an s.G. of 3.2,6.75;. or oir with an s.G. of 0.85 and 0.9m3 of mercury with an s.G. of 13.s7.
When the ambient air is at 70 degrees Fahreneit, 14.7 psia, and contains 21% oxygen by volume, 4.5 lb of air are pumped into a scuba tank, capacity 0.75 ft^3. What volume of ambient air was compressed?
The design discharge is 9.5 m^3/sec and the inlet will be submerged but not the outlet. Determine the depth that will result upstream (above the invert) during the design flood event.
Explain how ice forms on the windshield during some nights even when there is no rain or snow.
Because of the axial compression of the deck in a cable stayed bridge, buckling is a concern. In this simple bridge, each pylon carries one frontstay and one backstay as shown.
What is the phenomenon of the change of specimen height during static loading called? What is the phenomenon of the change of specimen height during unloading called?
Determine the acceleration of the initially stationary 20-kg body when the 50-N force P is applied. The small wheels at B are ideal, and the feet at A are small.
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