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illustrate a detailed curved arrow mechanism for the acid-catalyzed acetylation of an alcohol roh using acetic
explain how do reaction rates typically depend on temperature explain what part of the rate law is temperature
state the heat of vaporization of water is 4066 kjmol explain how much heat is absorbed when 198 g of water boils at
compute the amount of heat needed to completely sublime 960g of solid dry ice co2 at its sublimation temperature if the
hydrogen and oxygen react vigorously to form water if 120 hydrogen molecules are reacted with 200 oxygen molecules in a
specified that the enthalpy of combustion of graphite is -3935kjmol as well as that of diamond is -39541 kjmol compute
compute the work of expansion in joules accompanying the complete combustion of 10 g of sucrose to carbon dioxide and a
if the molar concentration of sodium carbonate na2co3 is 25 mm millimolar explain what is the mass concentration of
find out the concentrations of mgcl2 mg2 and cl- in a solution prepared by dissolving 168 times 10-4 g mgcl2 in 250 l
a 513g sample of a solid containing ni is dissolved in 200ml water a 500ml aliquot of this solution is diluted to
explain how much dry solute would you take to prepare each of the subsequent solutions from the dry solute and the
if a 20l container was charged with 0807atm of xe gas as well as 137atm of fluorine gas at 400c the xenon gas reacts
will a precipitate of feoh3 form when 1000 ml of 050 m feno33 is added to 5000 ml of 20 m nacn ka 7 x 10-10 for
explain how many hertz downfield from the tms would be the signal occurring at 20ppm in a 300-mhz spectrometer and a
nh3 is a weak base kb 18 x10-5 as well as so the salt nh4cl acts as a weak acid explain what is the ph of a solution
at a resting pulse rate of 77 beats per minute the human heart normally pumps about 65ml of blood per beat blood has a
as an sn2 solvent for reactions like the alkylation of acetaminophen water would be a poor selection explain water is
specified that the density of caos is 334 gcm3 as well as that the length of an edge of a unit cell is 481 pm find out
hclo is a weak acid ka40x10-8 as well as so the salt naclo acts as a weak base explain what is the ph of a solution
the kb for an amine is 65x10-5 explain what percentage of the amine are protons red if the ph of a solution of the
a the ka value for acetic acid ch3coohaq is 18x10-5 compute the ph of a 280 m acetic acid solutionb compute the ph of
determine the magnetic field b a distance z above the center of a circular loop of radius r after that show that the
for example a diene is reacting with hbr producing a 1 2 and a 1 4 product under kinetic conditions which one is the
find out the concentration of a sulfuric acid solution by titration with a standard sodium hydroxide solution you have
the rate of the subsequent reaction is 0720 ms explain what is the relative rate of change of each species in the