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a calorimeter was used with 25 ml of 1m hcl and 50 ml of 1 m naoh tmax 265c and tinitial 200c determine the percent
how many liters of 0150 m ki would be required to react completely with 1500 grams of lead ii nitratepbno32aq 2ki aq
give the two substitution products skeletal isomers when the following compound is added to a solution of sodium
suppose that 095g of water condenses on a 750g block of iron that is initially at 22 degrees celcius if the heat
if 400 g of methane ch4 is confined to 250 x103 ml at 200 degrees celsius what pressure in atm does it
a ground-state h atom absorbs a photon and makes a transition to the n 4 energy level it then emits a photon of energy
a person accidentally swallows a drop of liquid oxygen o2l which has a density of 1149 gml assuming the drop has a
scientists are working on purifying pfk-1c from rabbit brain tissue the rabbit brain tissue was homogenized and
write the dissociation reactions with structures of the 20 amino acids my textbook and study guide does not cover
1 starting with a 10 solution and making a series of 1100 dilutions how many dilutions must you make to prepare a 01
which emits more sox per unit amount of electricity produced a coal-fired plant with a 90 efficient so2 scrubber or an
the solubility iof sodium chloride in water is 359 g nacl100 g of water at 25 degrees celsius calculate the mass
benzene has a heat of vaporization of 3072 kjmol and a normal boiling point of 801 degrees celsius at what temp would
nitrogen oxides undergo many interesting reactions in the environment and in industry given the following information
at 25c what is the hydroxide ion concentration oh- in an aqueous solution with a hydrogen ion concentration of h27 x 10
oxygen and 100 moles of carbohydrate c12h22o11 per day are supplied to a continuous flow reactor the species combust in
the equilibrium constant for a certain reaction decreases from 891 to 35 10-2 when the temperature increases from
what mass of sucrose should be combined with 454 g of water to make a solution with an osmotic pressure of 885 atm at
find the molality of the solution prepared by dissolving 0238 g camphor c10h16o in 155 g
exposure to high doses of microwaves can cause damage estimate how many photons with wavelength 12 cm must be absorbed
1 to what volume should you dilute 400ml of a 465m ki solution so that 270ml of the diluted solution contains 395g of
write a series of balanced equations for all the reactions of the catabolism of glucose into 2 molecules of
the half-life for a first-order reaction is known to be 680 seconds at a given temperature what is the rate constant at
use the integrated rate law method to determine the rate constant for the data collected for the reactiona reg b ctime
the decomposition of no2 by the following reaction at some temperature proceeds at a rate 540 x 10-5 mol no2ls when no2