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briefly outline a procedure you could use to determine the hc2h3o2 concentration in a vinegar
the kidneys filter blood plasma across a specialized structure called the glomerulus that is permeable to small
an unknown gas has been determined to have the empirical formula ch2 at 27degc and 0966 atm the gas has a density of
plutonium-239 has been used as a power source for heart pacemakers what is the energy obtained from the following decay
for deeper-water diving mixtures of he and o2 are used in scuba tanks to minimize chances of getting the bends for the
benzenes vapor pressure is normally 0930 atm a soln of 200g unknown molecular solute and 7811 g benzene has a vapor
suppose you could buy a bottle of water claiming that it contains 76 ppm oxygen the law constant for water is k 12 x
consider 430 rm l of a gas at 365 rm mmhg and 20 rm circc if the container is compressed to 240 rm l and the
how much heat will be transferred when 050 mol of tio2 reacts with 160 mol of hcl according to the following equation
imagine that it is a very hot summer day outside to help quench your thirst while out you make yourself a big batch of
what is the ph of a solution made of 10 ml of 01 m nh3 aq k 18 x 10-5 when mixed with 10 ml of 01 m
pressure in a room is 1 atm 760 torr you measure the temperature if tea as it heats up and find it boils at 1031degc
what are the side products of simazine when not enough amine is added and when too much amine is
what products are generated by the yeast enzyme fermentation of fruit sugar write out this chemical
calculate the enthalpy of reaction for the combustion of methane gas ch4 to form co2g
if delta h -800 kj and delta s -0200 kjk the reaction is spontaneous below a certain temperature calculate that
the quantity of solute versus solvent in a solution is known as concentration first define the three concentration
what is the proper coefficient for water when the following equation is completed and balanced for the reaction in
when ammonium nitrate is added to water the temperature of h2o drops but when sodium hydroxide is added to h2o the
calculate the ka of an unknown monoprotic acid when 15 ml of the acid was titrated with 28 ml of 015 m sodium hydroxide
a buffer was prepared by adding 24 g of ammonium nitrate to 100 ml of 030 m ammonia kb 18 x 10-5 to this solution was
find the ph during the titration of 2000ml of 1000m butanoic acid with 1000m naoh solution after the following
in non-ionic compounds the two primary sources of intermolecular forces are permanent dipoles and temporary dipoles
calculate the molar mass that would be obtained from the actual experimental data under the following conditions the
what is the h3o of a solution measured to be 02 m in sodium acetate and 04 m in acetic acid ka 18 x