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what are the required steps in the synthesis reaction of tert-butanol only using ethanol ch3ch2oh and methane
imagine that you have a 650 gas tank and a 250 gas tank you need to fill one tank with oxygen and the other with
what is the ph of a solution obtained by mixing 50ml of 002 m sodium acetate with 40ml of 001 m
you make 100 l of a buffered solution ph 400 by mixing acetic acid and sodium acetate you have 100 m solutions of each
what volumes of 053 m hno2 and 059 m nano2 must be mixed to prepare 100 l of a solution buffered at ph
a 1300 g sample of an ionic compound naa where a- is the anion of a weak acid was dissolved in enough water to make
the ksp for silver sulfate ag2so4 is 12 multiplied by 10-5 calculate the solubility of silver sulfate in each of the
the copperi ion forms a chloride salt that has ksp 12 10-6 copperi also forms a complex ion with cl cuaq 2 cl aq
a solution is prepared by mixing 500 ml of 029 m pbno32 with 500 ml of 19 m kcl calculate the concentrations of pb2 and
the mole fraction of oxygen molecules in dry air is 02095 what volume of dry air at 100 atm and 25degc is required for
calculate the mass of sodium acetate that must be added to 5000ml of 0200m acetic acid to form a ph 500 buffer
1 frank and oswalt report a molar absoptivity of 4700 l mol -1 cm-1 for the thiocyanatorironiii ion what t would you
what are three different mechanisms for the dehydration of both n-butanol and neopentyl alcohol to form
1 what is a zymogen how are they activated give an example2 what is a transition state and what is its relationship
the activation energy of a certain reaction is 529 kjmol how many times faster will the reaction occur at 35 degrees c
200 ml of a 010m weak acid ka 156x10-6 is titrated with a 020m strong basea what is the ph initially before any titrant
what is the ph of a 030 m pyridine solution that has kb19x10-9 the equation for the dissociation of pyridine is
a solution is prepared by dissolving 172g of c2h6o2 in 500kg of h2o the final volume of the solution is 515ml calculate
the composition by mass of methyl alcohol ethyl alcohol n-propyl alcohol and water in two solutions a and b are given
naphthalene combustion can be used to calibrate the heat capacity of a bomb calorimeter the heat combustion of
millimoles of h in oxalic acid given the weight of oxalic acid h2c2o42h2o to be
if cost per gram were not a concern which of the following substances would be the most efficient per unit mass for
a find the phb how many grams of koh must be added to 0500 l of the buffer to change the ph by 010
170 ml of an hcl solution with ph of 230 is added to 200 ml of an hno3 solution the resulting ph is 140 what was the ph
what is the anticpated rate in grams per minute at which ethanol will be formed at a rate of 100 l per minute at 573 k