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problem- what is the final volume of naoh solution prepared from 1500ml of 0400m naoh if you wanted the final
problem- assume that the pit down forger has also used group 1 and group 2 cations to stain the bones how could this
problem- write a balanced oxidation-reduction equation showing how zinc metl the ferrous ion fe2 to iron metalexplain
problem- a method for determining the quantity of dissolved oxygen in nautral water reequires a seris of redox
problem- why is the potential of the anode reaction different than would be expected if the reaction occurred in an
problem- a when in a benedicts and barfoeds test the solutions changes from a clear blue liquid to a red brown
problem- balance the following half reactions by adding the appropriate number of electrons which are oxidation half-
problem- using the following atomic weights and that the density of cyclohexanol is 096 what is the yield of a
problem- draw the mechanism using curly arrows for the electrophilic aromatic substitution of anisole in the para
problem- unknown soda ash sample of 5097g this sample is dissolved in 25ml water after titrating this sample using hcl
problem- part1 the ka of a monoprotic weak acid is 307 x10-3 what is the percent ionization of a 0112m solution of this
problem- for each of the following half cells compare the electrode potentials calculated from i concentrations and ii
problem- a buffer is prepared from 01090 m weak acid and 02100 m of its conjugate base the ph at equilibrium is 221
problem- what is the freezing point of a 235m aqueous solution of magnesium nitrate whose density is 112gcm3i am in
problem- a 00500l sample of hbr gas at 103 atm and 48 degrees c is dissolved in 1020ml of water to form hbraq calculate
problem- rank these species by their ability to act as an oxidizing agent from best oxidizing agent to poorest
problem- draw the reaction for sn1 reaction of 2 chloro-2-metylpropane with ethanolic silver nitrate the silver nitrate
problem- nh3 is a weak base kb18 x10-5 and so the salt nh4cl acts as a weak acid what is the ph of solution that is
problem- in a qualitative analysis procedure a chemist adds hcl to an unknown group of ions and then saturates the
problem- at 1 atm how much energy is required to heat 750 g of h2os at -120 degree c to h2og at 1530 degree c1 how much
problem- if you mixed 75 ml of 2m hcl with 375ml of 4m naoh how many joules of heat would be released how much would
problem- a 1000 ml sample of 0330 m pyridine is titrated with 0155 m hcl before titration starts what is the ph of the
problem- gallium is produced by the electrolysis of a solution obtained by dissolving gallium oxide in concentrated
problem- purification of chromium can be acheived by electrorefining chromium from an impure chromium anode onto a pure
problem- a certain weak base has a kb of 73x10-7 what concentration of this weak base will produce a ph of 1033please