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find the specific solubilities (in g/100g H2O) in both cold and hot water for AgCl, PbCl2, and Hg2Cl2.
Diacetylferrocene, In the formation of diacetylferrocene, the product is always the one in which each ring is monoacetylated.
A buffer (pH 3.70) was prepared by mixing 1.00 mole of formic acid and 1.00 mole of sodium formate to form an aqueous solution with a total volume of 1.00 L.
Mg3N2(s) + H2O(l) → Mg(OH)2(s) + NH3(g) If this process is 82% efficient, what mass of ammonia can be prepared from 22.0 kg magnesium nitride.
Luminol is a reagent used to detect blood at crime scenes. A technician prepares a stock solution by adding 6.0 g of luminol (molar mass=177 g/mol) to 50.0 mL of H2O.
When too much H2CO3 is in the blood, the enzyme carbonic anhydrase catalyzes the conversion of carbonic acid, H2CO3, to carbon dioxide, CO2, and water, H2O.
A 50.0 mL sample of 0.55 M benzoic acid, C6H5COOH, a weak monoprotic acid, is titrated with 0.47 M NaOH. Calculate the pH at the equivalence point. Ka of C6H5COOH = 6.5 10-5
identify organic compounds in medications. determine the structure of one active component and identify three functional groups on each molecule.
The radius of the Earth is approximately 6370 km. if one could dig down straight towards the center of the Earth, one would find that the innermost 3480 km (the core) has an average density of about 11.g/cm^3.
How many molecules of HCCH react with 143 molecules of oxygen to produce carbon dioxide and water?
calculate the approximate concentration of the solution in mol/kg and determine the volume change of the ballon when it ascends from 1 atm pressure to 240 torr pressure ?
if carbon atoms started out neutral but ended up partially charged. did they gain electrons. lose them. is the carbon being reduced or oxidized?
Calculate the final volume of the gas,and express your answer in milliliters and determine the pressure in the flask if the temperature is raised to 25 degree celcius?
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