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problem- a 500 ml sample of 0036 m solution of ammonia nh3 is to be titrated with 025 m hno3 the kb of ammonia is
problem- magnesium-22 is unstable and undergoes radioactive decay is it more likely to decay via beta decay or positron
problem- thorium-234 decays to produce protactinium-234 which of the following modes of radioactive decay are possible
problem- if the cell potential ecell for the cell al al3 1m ni2 m ni is 135 v what is ni2 use the nernst equation
problem- find the standard cell potential for the galvanic cell al al3 ni2 ni if both solutions have 100 m
problem- a stock solution is prepared by adding 20 ml of 12m nano2 to enough water to make 50 ml how many moles of
problem- enough of a monoprotic acid is dissolved in water to produce a 00197 m solution the ph of the resulting
problem- draw the structure of the products of the reaction between s-3-phenylbutan-2-one and methylmagnesium bromide
problem- what carbonyl compounds might you start with in a grignard synthesis of the following compound
problem- a a mgmg22hh2 galvanic cell generates a current of 215x10-2 amperes for 205 minutes and in the process 299 ml
problem- a quantity of co gas occupies a volume of 064l at 10atm and 323k the pressure of the gas is lowered and its
problem- explain how and why the number of moles of gas affects the volume of that gas assuming that the container
problem- 112 ml of a glucose c6h12o6 solution is prepared by diluting 82 ml of a stock solution of unknown
problem- calculate the molarity m of ca2 in a solution prepared by adding 4000 ml of 0800 m cano32 and 0250 l of 0100 m
problem- a calorimeter contains 170ml of water at 120c when 120g of x a substance with a molar mass of 620gmol is
problem- a student didnt equalize the water levels inside the eudiometer tube with that of his water bath the water
problem- a common structural feature of membrane lipids is their amphipathic nature for example in phosphatidylcholine
problem- how much energy must be supplied to break a single aluminum-27 nucleus into separated protons and neutrons if
problem- the melting points of a series of 18-carbon fatty acids are stearic acid 696 c oleic acid 134 c linoleic acid
problem- if a salt having the formula x2y3 is added to pure water which of the following statements concerning its
problem- a 300-ml volume of 050 m ch3cooh ka18x10-5 was titrated with 050 m naoh calculate the ph after addition of 300
problem- iron vapor produces an emission spectrum that includes an intense peak at 5270 nm determine the frequency in
problem- a 0130-mole quantity of nicl2 is added to a liter of 120 m nh3 solution what is the concentration of ni2 ions
problem- how much heat is evolved in converting 100 mol of steam at 1600c to ice at -450c the heat capacity of steam is
problem- calculate the vapor pressure of water above a solution prepared by adding 245g of lactose c12h22o11 to 2000 g