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A solution of ethanol, C2H5OH, has a concentration of 2.36 M. What is the concentration of this solution in (a) mass % of ethanol, (b) molality of ethanol?Densities: d(ethanol) = 0.78 g/mL; d(water) = 1.0g/mL; d(solution) = 0.968 g/mL.
The voltage of the cell is 1.74 V, with metal X as the positive electrode. Calculate the standard reduction potential for the X half-reaction. The standard reduction potential of the copper half-reaction is 0.52 V
if a solution of epsom salts prepared by dissolving magnesium sulfate heptahydrate in water is added to a solution containing sodium lauryl sulfate, will a precipitate form
Formic acid has a Ka TEN times larger than that of acetic acid. In solutions with the same molarity, the formic acid solution will have this many times the [H+] of the acetic acid.
Serum taken from a patient being treated with lithium for manic-depressive illness was analyzed for lithium concentration. A reading of 414 units was obtained for the intensity of the 671 nm red emission line. Then 1.00 mL of a 11.9 mM Lithium sta..
You want a reaction that will afford the highest yield for the conversion of 2-bromo-2-methylpentane to 2-methyl-1-pentene. Which of the following sets of reagents would work the best
The decomposition of N2O into N2 and O in the presence of gaseous argon follows second order kinetics with K= (5.0x10^11 Lmol^-1s^-)e^-29000K/T. What is the energy of activation of this compound
two mwthods were described for determining the volume of the flask used for the molar mass determination.
as molecules move up fractional distillation column they condense and then revaporize. durring which of these steps is
what is the chemical reaction that takes place when you add calcium bromide with hg elemental mercury at 700 degree
what is the name and formula for a compound with a composition percent of 77.7% Fe, 22.3% O and a molar mass of 71.85
Calculate the osmotic pressure for the solutions in prob # 14 and 20 when each is at 10.500C? (dEtOH= 0.789g/ml, dMeOH= 0.712g/ml)
The methyl benzoate and acetanilide react with HNO3, H2SO4, and glacial acetic acid. Need to know the possible products and then the one that actually forms.
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