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benzyl alcohol bp 205 c was chosen by a student to crystallizefluorenol mp 153-154 c for the reason that the solubility
calcium nitrate will react with ammonium chloride at slightly elevated temperatures as represented below a 300 mol
the pka of asprin acetyl salicylic acid is about 3 while the ph of stomach acid is about 1 circle the approximate
determine a crystallization of sulfanilamide in which 10ml of hot95 ethyl alcohol is added to 010 g of impure
state the condensed structural formula for the neutralization of salicylic acid with sodium hydroxide state a reaction
in 1997 la county air had carbon monoxide co levels of 150ppm average human inhales about 050 l of air per breath and
if the fluorocarbon compound c2cl3f3 has a normal boiling point of 476degc the specific heats of c2cl3f3l and c2cl3f3g
in 1997 la county air had carbon monoxide co levels of 150ppm average human inhales about 150 l of air per breath and
a titanium bicycle frame displaces 0314l of water as well as has a mass of 141kg explain what is the density of the
explain if a solution of compound s mw 200 w a known epsilon of 20000 at lambdamax of 300 nm gave an absorbance of 1
consider two different solutions of the same uv-absorbing compound upon uv-analysis solution b provided an absorbance
a standardized weight obtain from the national bureau of standards has the value of 20000g while it was used to
300 moles of an ideal gas at 27 degrees celsius expands isothermally from an initial volume of 200dm3 to a final volume
if hydrochloric acid is added to sodium metal it will produce hydrogen gas according to the following reaction 2 na 2
the water solubility of oxalic acid and sodium oxalate at room temperature are 10 g100ml and 37g100ml correspondingly
if a mixture of ethane and ethene occupies 40 l at 1atm and at 400 k the mixture reacts entirely with 130 gm of o2 to
a solid mixture weighing 5 gm consists of lead nitrate as well as sodium nitrate was heated below 600o c until weight
80575 x 10-2 kg of glaubers salt is dissolved in water to obtain 1 dm3 of a solution of density 10772 kg m-3 calculate
antimony is alloyed with lead to enlarge the rigidity of components utilize in the construction of lead storage
discover molarity of solution demonstrate all steps so that follow the process for future problems370 ml of 900 m
while 050 moles of aluminum reacts with 072 mole of iodine to form aluminum iodine how much of the excess reactant will
while 724 moles of magnesium as well as 386 moles of oxygen gas react to form magnesium oxide which reactant will be
explain what is the structure of the ici2- ion examine the bonding in ici2- by whatever the identical models you feel
solid argon ar is face-centered cubic the edge length of the unit cell is 479 angstroms 100 angstrom 100 x10-8cm
you can verify that a substance has been converted to a different substance by showing that the substances have