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A liquid with a density of 40.0lb/ft3 flows through a long straight pipe of circular cross section at a arte of 200 ft3/hr. Determine if the flow is turbulant or streamline under the following conditions. A) when the inside pipe diameter is 2.0 inches and the absolute viscosity of the fluid is 1.8lb/(hr)(ft) B) when the inside pipe diameter is 1.2ft and the absolute viscosity of the fluid is 3.0cP.
Wavelength of light required to break C-C, C-Cl, O=O bonds - Calculate the frequency and wavelength of the least energetic photon that can break an average C-C bond. In what region of the electromagnetic spectrum is this radiation?
Given the following balanced chemical equation, if 345 g of I2 are formed, how many g of Cl2 had to react? 2 FeI2 + 3 Cl2 ? 2 FeCl3 + 2 I2
Standard reduction potentials for the Pb2+/Pb and Cd2+/Cd half-reactions are -0.13 and -0.40, respectively. At what relative concentrations of Pb2+ and Cd2+
Zinc metal is produced by the reaction of its oxide with carbon monoxide at high temperature. The equlibrium constant for the equation
400cm3 of glycerol, C3H8O3 (density= 1.26 g cm-3) is added to a kilogram of water. What is the mole fraction of C3H8O3 in the solution?
Calculate the Ki for a competitive inhibitor whose concentration is 6.5x10-5M that increases the Km of the substrate
What is the radius of the cross section of a cylinder that has a volume of 644.0 m3 and a height of 12.6 m? (Volume=πr2×height)?
At 800 k, Kc for the following equalibrium is 4.2 x 10 ^-3. 2HgO(s) 2Hg(l) + O2(g), suppose 96.5 g of mercury(ll) oxide is placed in a sealed 3.50 vessel at 800 k. What is the partial pressure of oxygen gas at equalibrium
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
a student titrates 0.738 grams of an unknown solid, weak acid with 0.1027 Molarity NaOH. What is the molecular weight of the unknown solid, weak acid?
student placed 18.5 of glucose in a volumetric flask added enough water to dissolve the glucose by swirling then
a typical deposit of cholesterol c27h46o in an artery has a mass of 3.90 mg. how many molecules of cholesterol are
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