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define the mass of silver deposited on a spoon during electroplating is 904mg explain how much electric charge passed
explain if a buffer solution is 0120 m in a weak acid ka 35 times 10-5 and 0500 m in its conjugate base define what is
while active metals such as sodium are exposed to air they quickly form a coating of metal oxide the balanced equation
the nh3 is a weak base kb 18 times 10-5 and so the salt nh4cl acts as a weak acid explain what is the ph of a solution
explain would you expect the successive ionization energies to increase or decrease with the removal of each electron
sufficient of a monoprotic acid is dissolved in water to produce a 00166 m solution and the ph of the resulting
explain what would be the value for a phosphorus standard if it contained 0035 kh2po4 as well as if 02ml of the
state the formation of methanol is significant to the processing of new fuels at 298k kp225 x104 for the reaction
using an instance exemplify with equations the successive ionization energies necessary to remove the first second and
explain the halogens form compounds among themselves called interhalogens and their formulas are xx xx3 and xx5 where x
explain how much more stable in kjmol is 1-iodocyclohexane with i in the equatorial position as different to the axial
if you are trying to recognize the molar mass of an unknown gas as well as your measurements is atmospheric pressure
on dividing equation five for reaction mixture one by reaction mixture three and after cancelling out the common terms
in disubstituted cyclohexanes with both substituents in the axial position ie i and cl explain would there be strain
define the distribution coefficient for caffeine in dichloromethane and water is 46 presume that your 100-ml tea
sufficient of a monoprotic acid is dissolved in water to produce a 00138 m solution the ph of the resulting solution is
compare as well as discuss the size of an ion with respect to the covalent atomic radii of the corresponding atom do
state a balanced chemical equation with integer coefficients for the reaction that can take place when aluminum metal
for reaction mixture 1 the student found that 75 seconds were necessary on dividing equation 5 for reaction mixture1 by
the fish-liver oil is a good source of vitamin a which measured spectrophotometrically after correcting for background
if the tosylate of 2s3s-3-phenylbutan-2-ol undergoes an e2 removal on treatment with sodium ethoxide depict the
depict the structure of the organic product expected when brch2ch2ch2ch2chch3oh is treated with base do not regard as
a gaseous reaction takes place at a constant pressure of 500 atm and releases 577 kj of heat prior to the reaction the
compound j c16h16br2 is optically active on treatment with strong base compounds k and l each c16h14 are formed k and l