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a valuable archeological flint arrowhead is to be examined for nickel as a trace component by ed-xrf x-ray fluorescence
explain which solution has the highest vapor pressure require to do calculations as well as note that colligative
gaseous ammonia was introduced into a sealed container as well as heated to a particular temperature according to2 nh3g
explain how many grams of silver will be obtained when an aqueous silver nitrate solution is electrolyzed for 250min
while the subsequent equation is balanced utilizing the smallest possible integers explain what is the exponent of al
if butanoic acid was to be treated with nabh4 explain what would be a reaction mechanism leading to its product
explain why do the coefficients of an elementary step equal the reaction orders of its rate law however those of an
while comparing sn1 versus sn2 reactions which one is a one-step reaction as well as in which is the rate of reaction
1 an acid has a ph4 calculate the h302 the ph of a solution is 10 compute the concentration of h303 state an equation
the reaction 2a gas b gas is second order in a also has a half life of 1 hour if the preliminary pressure of a is 1atm
the internal energy of helium at 300 k and 1atm is 3800 j as well as the molar volume at the same temperature is
the combustion reaction of methane in a feed contains 20 mole ch4 60 o2 and 20 co2 and a 90 conversion of the limiting
a quantity of 750 g of so2cl2 was placed in a 200 l flask at 648 k there is a 00345 mole of so2 present compute
steady state process- one thousand kilograms per hour of a mixture of benzene as well as toluene that contains 50 by
explain when 140 moles of br2 are put in a 0900-l flask 100 percent undergoes dissociation compute the equilibrium
a compound with the formula c5h12 gives one signal in the proton nmr spectrum as well as 2 signals in the carbon nmr
make a judgment as to the effectiveness of commercial liquid bleaches by noting the ingredients on the labels
pure o2 diffuses through an aperture in 224 seconds whereas a mixture of o2 and another gas containing 80 o2by wt
assume a compound with the formula c3h6o produces a silver mirror upon addition of the tollens reagent explain what is
compute the ph of a a solution that is 0060m in potassium propionate c2h5cook or kc3h5o2 and 0085m in proprionic acid
a 5cm3 solution of h2o2 liberates 0508g of iodine from an acidified ki solution compute the strength of h2o2 solution
a given that ka for acetic acid is 18 x 10-5 as well as that for hypochlorous acid is 30 x 10-8 which is the stronger
assume you accidently add too much naoh during the titration you then add a volume of hcl precisely equal to frac12 the
1 a spring with negligible mass stretches 340 cm when a 144 g gram mass is suspended from it now i suspend a mass m
determine a titration of 338ml of 164 m solution of aqueous ammonia kbnh3 18x10-5 with a 124 m solution of