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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
ammonium nitrate has been utilized as a high explosive because it is unstable also decomposes into several gaseous
the resolution limit of a microscope is approximately equal to the wavelength of light used in producing the image
suppose a shriveled carrot is placed in a dish of water after a few hours it no longer shriveled why is this soexplain
a gaseous fuel mixture stored at 749mmhg also 298k contains only methane ch4 and propane c3h8 while 114l of this fuel
suppose a mixture of helium and neon gases is collected over water at 280degc and 745 mmhg explain if the partial pres-
explain how rapidly would the subsequent particles be moving if they all had the identical wavelength as a photon of