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Problem- Above what Fe2 concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 8.11? The Ksp of Fe(OH)2 is 4.87Ã-10-17.
Please answer merely if you are 100% confident
write molecular, complete ionic, and net ionic equations for the reactions that occur, if any, when solutions of the following substances are mixed? a. nitric acid and potassium carbonate
What is the Hydroperoxide formed by air oxidation of diethyl ether. Show Lewis Structure.
starting with toluene as the only organic starting material and utilizing an organocopper coupling method
Acid-base titration & analytical chemistry, A 0.213-g sample of uranyl(VI)nitrate, UO2(NO3)2, is dissolved in 20.0 mL of 1.0 M H2SO4 and shaken with Zn. The zinc reduces the uranyl ion, UO2 (with a charge of 2+)
consider the following equilibrium system H2(g)+ Br2(g)=2HBr(g) Keq= 14.8 A closed container is initially filled with equal moles of H2 and Br2.When equilibrium is reached the (HBr) is 0.329 mol/L What is the initial (H2)
To eliminate heating the bodies of water surrounding the power plant, the evaporation of the coolant water is what cools the steam; the water vapor generated by this evaporation is released to the atmosphere
find the number of representative particles in each given substance 1 3.00 mol sn2 0.400 mol kcl3 7.50 mol so24 4.80 x
The cell potential of the following electrochemical cell depends on the gold concentration in the cathode half-cell:
The voltaic cell described by the balanced chemical equation has an Eo of 0.27 V. Calculate the maximum electrical work (kJ) the cell has done if 3.1400 mol of Cr3+(aq) (Molar Mass - 52.00 g/mol) forms. Round your answer to 3 significant figures.
Suppose that the microwave radiation has a wavelength of 12.4cm . How many photons are required to heat 295mL of coffee from 25.0 C to 62.0 C ? Assume that the coffee has the same density, 0.997 g/mL , and specific heat capacity, 4.184 J(gxK) , as..
What partial pressure of oxygen is a scuba diver breathing if the total pressure is 6.3 atm and 20 percent of the air is oxygen
Define why slow cooling tends to give better crystals in a recrystallization than the crystals obtained upon rapid cooling.
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