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silver chloride frequently used in silver plating contains 7527 ag compute the mass of silver chloride required to
the atomic mass of element x is 3342 amu a 2780 g sample of x combines with 9010 g of another element y to form a
allicin is the compound responsible for the characteristic smell of garlic an analysis of the compound gives the
while conducting a simple experiment involving placing a small quantities of corn syrup in dialysis tubing as well as
when doing a calorimeter experiment my early temperature was21c while the mgo was added the first reading was 26c and
explain what percentage of hydrogen peroxide has been decomposed in mixture 1 when 200 ml of o2 gas has been evolved
explain as ionizing radiation explain what does ionizing radiation due and is all radiation
if the half life of uranium 235 is 704 x 108 years if 100pounds of this isotope is buried today when will 125 pounds be
1 explain why is it necessary to recrystallize your product how do you when to recrystallize a compound2 if your
a solution is prepared by dissolving 191 g ammonium sulfate in sufficient water to make1000 ml of stock solution a 1500
compare the heat produced by the complete combustion of 1 mole of methane ch4 with a mole of water gas 050 mole h2 and
a human body loses about 360kj of heat every hour presuming that an average human body is equivalent to about 60kg of
7 million gallons per day mgd of a conservative substance with concentration 135 mgl is released into a stream having
an aqueous antifreeze solution is 400ethylene glycole c2h6o2 by mass the density of the solution is105 gcm3 compute the
while doing sn2chemistry- synthesis of 1-bromobutane from butan-1-ol why would the crude product likely contain organic
while performing sn2 chemistry- synthesis of 1-bromobutane from butan-1-ol explain what would be the purpose of
while 500ml of a sodium nitrate solution containing 1704gl of sodium nitrate is added to 2500ml of sulfuric acid
the purity of a sample containing zinc as well as weighing 0198 g is determined by measuring the amount of hydrogen
the purity of a sample containing zinc and weighing 0198g is determined by measuring the amount of hydrogen formed
a 100m sugar stock solution is diluted to make a 010msolution explain how many ml of the 100m stock solution are
explain an excess of zinc metal is added to 500ml of a 0100 m agno3 solution in a constant-pressure calorimeter
define which reagent is used in excess alcohols or carboxylicacids and provide a reasonable explanationacetic acid
a vineyard has 145 acres of grapes a soil supplement requires 550 grams for every square meter of vineyard explain how
explain what are the mole fraction of nacl and water solvent in a 225m nacl water solution density of this solution is
the combustion of a 250g gaseous mixture of h2 as well as ch4 releases 2354kj of heat compute the amounts of the gases