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the current dietary recommendation is to consume less than 01 mol of sodium per day one teaspoon of table salt1 the
is there a chart that shows the solubility of srso4 in water verses temperature and
determine the ionic strength assume that all the salts completely dissolve and dissociates into their respective
a sample of pure no2 is heated to 336 c at which temperature it partially dissociates according to the equation
find the volume ml and ph of 00588 m koh needed to reach the equivalence points in titrations of the followinga 204 ml
draw the boundary surface diagrams for the following atomic orbitals including the appropiate axesa
give the full electron configuration electrons quantum numbers for last electron added orbital diagram electron
in lab a student titrates 5000ml of an unknown monoprotic weak acid with 355ml of 9500m naoh to reach the equivalence
a 005m h2s solution contains 015m nicl2 and 025m hgno32 what ph is required to precipitate the maximum amunt of hgs but
at high pressures ne behaves as an imperfect gas in the range 300 k to 500 k the equation of state for one mole of ne g
what spectroscopic method would you use to unambiguously distinguish between the following isomeric acids give an
1 what are the two most symmetrical geometries possible for a tetracoordinate coordination complex2 make a drawing that
a sample of 351 g of methane gas has a volume of 510 l at a pressure of 270 atm calculate the temperature478 k767 k350
cobalt oxide coo is a largely ionic compound what coordination number and crystal structure would you expect for this
the iron content of iron ore can be determined by titration with standard kmno4 solution the iron ore is dissolved in
the heat generated in this reaction helps melt away obstructions such as grease and the hydrogen gas released stirs up
a 1000g sample of red phosphorus powder was burned in air and reacted with oxygen gas to give 2291g of phosphorus oxide
what is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number
the speed of sound in air is 344 ms at room temperature the lowest frequency of a large organ pipe is 30 s-1 and the
a stereospecific reaction is a reaction in which each of two stereoisomers of a starting material yields a particular
a buffer solution is prepared by adding 020 mole of nh3 and 030 mole of nh4cl to enough h2o to make one liter of
calculate the ph of the buffer prepared by mixing 350ml of 015m hc2h3o2 with a 250ml of 010m nac2h3o2 ka for hc2h3o2
an amount of an ideal gas expands from 105 l to 223l at a constant pressure of 10atm then the gas is cooled at a
what concentration of monobasic and dibasic sodium phosphate should be used to get ph
what is the ionization constant of an acid if the hydronium ion concentration of a 0500 m solution is 170 x 10-4