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the specific conductivity of a saturated solution of BaSO4 is 4.63*10-6 ohm/ cm and the water used in preparing the solution is 1.6*10-6 ohm/cm. if the limiting molar conductivity is finite dilution of Ba2+ and SO4 ions are 127.2 and 160 ohm/cm/mol calculate the solubility and solubility product
a solid cylinder 1m in diameter and 0.8m high is if uniform relative density 0.85 calculate the periodic time of small
when a metal was exposed to light at a frequency of 4.63*10^15 Hz, electrons were emitted with a kinetic energy of 3.10*10^-19 J.
Changes in atmospheric concentration of carbon dioxide during periods of artificial lighting (non-shaded) and darkness (indicated by grey shading). (b) Changes in oxygen concentration for a stand of soybean plants grown in a biomass chamber
Based on the following equation, determine the mass of a 50.0mL sample of your salt solution. Report the mass as a number and use all lower case letters to spell out the word(s) in the unit(s).
Calculate the equilibrium partial pressures of Cl2, H2O, HCl, and O2. Peq(Cl2) = . Peq(H2O) = . Peq(HCl) = . Peq(O2) = . (b) Calculate KP for this reaction.
How many grams of solute are needed to make each of the following solutions?296.5 mL of 0.333 M barium acetate
A city's water supply is fluoridated by adding NaF. The desired concentration of F- is 1.6 ppm. How many milligrams of NaF should be added per gallon treated water if the water is already 0.2 ppm F- (1 gallon = 3.78 Liters)
The oxidation number of Cr changes during the reaction from ____ to ___. Because of this change, chromium is reduced/oxidized (circle one). The oxidation number of the alcoholic carbon changes from ___ to ___. Because of this change, the carbon is..
A titration was set up with standard potassium permanganate solution(.020 M). A volume of 17 mL potassium permanganate was need to reach the endpoint.
Express the van der Waals parameters a = 0.751 atm dm^6 mol^-2 and b = 0.0226 dm^3 mol^-1 in SI base units
A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressure of 93.9 mmHg at this temperature.
Choose one of the non-heme based oxygen transport proteins (i.e. not hemoglobin or myoglobin). Sketch the oxygen binding site environment
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