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if 37 g of pbno32 is added to sufficient water to make a 80 ml solution explain what is the final concentration of free
explain a dilute solution of benzoic acid c6h5cooh is prepared by adding 37 ml of 215 m benzoic acid to a volumetric
explain if 1 m h2so4 is used to titrate a 2900 ml solution of 084 m ammonia nh3 define what volume of acid is required
explain why does ch2cl2 solvent lower layer have higher density than water while non-chlorinated solvents like hexanes
explain milk of magnesia is a suspension of magnesium hydroxide in water a common medicine it is frequently used as an
explain the metabolism of a protein polymer include both the catabolic and anabolic pathways comprise any substrates or
in a sn1 reaction define what will happen to the rate of the reaction if the concentration of nucleophile is decreased
compute an estimate of how long it would take for a gaseous air-borne cold virus of molar mass 100 kgmol to travel a
an atomic beam is intended to function with a cadmium b mercury the source is an oven maintained at 380k with a small
begin from the maxwell distribution of speeds as well as derive an expression for the most probable speed of a gas of
exothermic reactions are favored for the reason that they release heat to the environment would an exothermic reaction
while connected in a battery under standard conditions label the reduction and oxidation for each pair of half cells
a student is probing a bacterium under the microscope the e coli bacterial cell has a mass of m 120 g where a
in the laboratory endothermic reactions are generally performed at elevated temperatures while exothermic reactions are
suppose milk of magnesia is a suspension of magnesium hydroxide in water a common medicine it is frequently used as an
perform the reaction represented by the subsequent balanced equationn2g 3h2g 2nh3gadd an equal number of moles of
while 88 g of toluene is mixed with 10 g of pure nitric acid only 93 g of trinitrotoluene tnt is recovered from the
while 8 g of baking soda nahco3 is added to 5500 ml of vinegar an aqueous solution of ch3cooh at 5 concentration by
provide the set of four quantum numbers that could represent the last electron added using the aufbau principle to the
an alkene forms 22-dimethylbutane while catalytically reduced and 12-dichloro-33-dimethylbutane when treated with cl2
a student has a water sample containing 0499g of nah2po4h2o dissolved in water this releases 1 mole phosphate per mole
a sample 60 ml solution of hydrochloric acid hcl is titrated with 02 m naoh the volume of base necessary to reach the
compute the mass of co2 produced in the combustion of 14 gallons of gasoline presume that gasoline consists of octane
if a solution of hydroxylamine hydroxylammonium buffer contains 0117 m nh2oh compute the morality of honh3cl required
if a buffer solution with a ph of 812 has a molar ratio of anion to acid of 813 compute the equilibrium dissociation