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the solubility of a compound is 59g per 100ml of boiling methanol and 30g per 100ml of cold methanol whereas its
a sample of 2-butanol has a specific rotation of 325amp176 determine the ee and the molecular composition of this
ammonium nitrate decomposes to n2o and water at temperatures between 250 deg celcius and 300 deg celcius write a
one way to analyze sulfur is by comustion of the sample which produces so2 and so3 that can be bubbled through h2o2 to
you order two primary standards of ultra pure k2so4 174260 gmol and na2so4 142043 gmol for an experiment when they are
anacin is composed of acetysalicylic acid and caffeine using the principles of active extraction show by use of flow
caffeine is basic show the reaction of caffeine with aqueous hydrochloric acid to give caffeine hydrochloride reaction
do the following titration and find concentrations of everything in solution you have a diprotic acid h2b titrated
a 212 g sample of a metal was heated to 6198 degrees c when the metal was placed in a constant-pressure calorimeter
state whether q w deltah and deltau are positive negative or zero for the following system include reasoningreversible
teflonis a polymer synthsised by polymerisation of tetrafluoroethylene f2ccf2 use atomic masses c 12 f 19 and answers
a sample of nitrogen gas in a 46-l container at a temperature of 26degc exerts a pressure of 39 atm calculate the
a mass of gaseous water is given at a certain temperatur and a mass of liquid water is given at another temperature and
a jar test has shown that the optimum dose of ferric chloride consumes all of the alkalinity if the amount of ferric
a mass of 89103kg is placed on a 055 l cylinder with area 036 m2that contains 0021 mol of an ideal gas determine the
an excess of agno3 reacts with 1000 ml of an alcl3 solution to give 0325 g of agcl what is the concentration in moll of
how would the changing the concentration of 2-chloro-2-methylpropane affect the rate of the reaction of
which alkyl halide will react faster 2-chloro-2-methyl propane or 2-bromo-2-methylpropane explain how and why the
which will react the fastest with silver nitrate in absolute ethanol 1-bromobutane 2-bromobutane or
which alkyl bromide would react fastest with sodium iodide in acetone 1-bromobutane 1-bromo-2-methylpropane or
how would the following changes affect the rate of the reaction with 1-bromobutane with nai doubling the concentration
which halide will react faster with sodium iodide in acetone 1-bromobutane or 1-chlorobutane explain how the nature of
which alkyl bromide will react the fastest with sodium iodide in acetone 1-bromobutane 2-bromobutane or
use a newman projection to draw the most stable conformation of 3-methylpentane looking down the c2-c3 bond please
an iron chloride compound contains 5585 grams of iron and 1065 grams of chlorine what is the most likely empirical