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The amount of manganese in steel is determined by changing it to permanganate ion. The steel is first dissolved in nitric acid, producing Mn2+ ions. These ions are then oxidized to the deeply colored MnO4- ions by periodate ion (IO4-) in acid solution.
(a) Complete and balance an equation describing each of the above reactions. (Use the lowest possible coefficients. Omit states-of-matter in your answer.)
(b) Calculate E° and deltaG° at 25°C for each reaction.
Determine which enantiomer of 2-iodo-3-phenylbutene gives the E product (2R, 3R or 2S, 3R), and explain clearly (using unambiguous diagrams) why that is the case.
how many grams of lithium bromide must be added to 35 grams of water to make a solution
A 86 gram solution of silver nitrate contains 14 grams of AgNO3. What is the percent by mass of silver nitrate in this solution.
Calculate the heat given off by the burning Mg in kJ/g. b)Calculate the heat given off by burning Mg in kJ/mol
The molar absorptivity for the complex formed between bismuth (III) and thiourea is 9.32 x 103 L mol-1 cm-1 at 470 nm. Calculate the range pf permissible concentrations for this complex if the percent transmittance is to be greater than 15.0 % and..
Estimate the molar heat of vaporization of a liquid whose vapor pressure doubles when the temperature is raised from 85ºC to 95ºC.
The feldspar sanidine KSi3AlO8 is found in quickly cooled volcanic (extrusive) rocks whereas microcline is found in slowly cooled intrusive rocks such as granites
Write two balanced half reactions for the titration of iodine with sodium thiosulfate. Indicate what is being oxidized and what is being reduced.
What is its solubility at a partial pressure in air of 0.00021 atm? Assume that CO2 obeys Henry's Law.
What types of bombs were dropped on Hiroshima and Nagasaki, resulting in Japans surrender at the conclusion of WWII? What isotopes were used in the bombs? What were the long term effects of these bombs?
if you have 330 ml of water at 25.00 and add 120ml of water at 95 C what is the final temperature of the mixture
Compound A, C8H10, absorbed 3 equivalents of H2 on catalytic hydrogenation over a Pd/C catalyst to give B (C8H16). On ozonolysis, compound A gave, among other things, a ketone which was identified as cyclopentanone.
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