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Explain when it comes to an infrared spectrum what denotes the purity of a sample? Explain how one refers to specific frequencies of infrared radiation in determining this. An IR spectrograph of define what is pure isopentyl acetate and have to refer to specific infrared radiation frequencies
Provide an explanation on why the methylene unit between the two carbonyl groups is more acidic than each of the methyl groups in acetylacetone. In the reaction conditions, what is the base responsible for the deprotonation of acetylacetone
Chloroform is an excellent solvent for extracting caffeine from water. KD = 9 for caffeine in chloroform-water at 25 degrees celecius. What weight of caffeine would be recovered from a solution of 4.0 g caffeine in 100 mL water by a single extract..
a zero-order reaction has a constant rate of 3.70times10-4 . if after 45.0 seconds the concentration has dropped to
Combustion of 3.00 g of this compound produced 7.06 g of CO2 and 1.93 g of H2O. What is the empirical formula of the unknown compound?
google the structure and molar mass of caproic acid.using the empirical expression given in class for the surface
Draw the skeletal structure of the product or mixture of products that result from the bromination of the given starting material with less than one equivalent of NBS in the presence of peroxides.
The second law states that the entropy of the universe (system and surroundings) increases in a spontaneous process : delta Ssyst + delta Ssurr is greater than or equal to 0.
1. one of the standard solutions had an abnormally low absorbace reading causing a less positive slop for the
How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq)
When 1,5-dibromopentane reacts with ammonia, among several products isolated is a water-soluble compound A that rapidly gives a precipitate of AgBr with acidic AgNO3 solution.
A student takes a mixture of sugar (C6H12O6), diamond powder (C) and BaCO3, separates the mixtures and recovers 1.75g sugar, 0.86g diamond powder and 2.29g BaCO3(s). Student % recovery was 96.46%, less than the initial amount of mixture they start..
a solid zinc cadmium zncdscn4 has a tetrahedral zn and cd atoms connected in a three-dimensional network by cd-scn-zn
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