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why are the solubility characteristics of the sodium benzoate in a solution of aqueous base such as sodium hydroxide
how can a known value for kd for a pair of extracting solvents be used to estimate the efficiency of a liquid-liquid
what words could be used to describe the chemical process that is summarized in each reaction belowa carboxylic acid in
what common structural features or functional groups allow benzoic acid to physically distribute itself between the two
what alkene including cis and trans isomers would be produced by the dehydration of the following alcohols where
the ratio of the solubilities called the partition coefficient kd c2 c1 in this experiment is defined as an
some organic solvents are heavier than water and some are lighter than water if you were given a test tube filled with
the naa used here was purchased from acme laboratories as a 10 mgml solution how many grams of naa are in 100 ml of a
1the pka of nh4 is 925 at 25c the rate constant at 25c for the reaction of nh4 and oh- to form aqueous nh3 is 401010
solid water melts at 00 degrees celsius what amount of heat is required to melt 15 moles of ice at 00 degrees celisius
calculate the work done the following equation when 1 mole of hydrogen gas is collected at 273 k and 10 atm neglect
an electrochemical cell has a half-cell in which a piece of wire is dipped into a solution that is 20 m in kbr and 0050
tooth enamel is mainly hydroxyapatite capo46oh2if 1117g of tooth enamel reacts with acid to give 1111g of calcium
hcl solution has a lower concentration than what is indicated will this result indicate the presence of more or less
the equilibrium a b is first-order in both directions derive an expression for the concentration of a as a function of
do carboxylic acids react with ylids if not why would it be bad to have carboxylic acid present during a reaction
calculate the expected ph of a 0100 m of ammonium chloride given that kb for ammonia is 176 x 10-50100 moles of naoh
how to separate and isolate following compounds 50 ethyl 4-aminobenzoate 40 of benzoin and 10 1-4
1 calculate the statistical mechanical values of internal energy entropy gibbs energy enthalpy and cvm for h g at 3000
both acetylene c2h2 and benzene c6h6 can be used as fuels which compound would liberate more energy per gram when
at 298 k the standard enthalpies of formation for c2h2g and c6h6l are 227 kjmol and 49 kjmol respectivelya calculate
your task is to convert o-xylene into o-diaminobenzene which sequence of reagents constitutes the best methoda nanh2
1 if you consider an orange led and create a set of energy levels ie the energy level diagram of a semiconductor that
a container with 100 mol of gas is expanded from 500l to 100l by adding more gas the temperature and pressure are kept
express your answer in complete form in order of increasing orbital energy as a string without blank space between