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When measured in a 1.00 cm cuvet, a 9.45×10-4 M solution of species A exhibited absorbances of 0.155 and 0.687 at 450 nm and 725 nm.
Identify and draw the structures of two simpler compounds, one of which should be a carboxylic acid, from which you could make lidocaine.
In organic chemistry, a functional group is an atom or group of atoms that determines the compound's characteristics.
How should a professional emergency responder be concerned about the following routes of radiation exposure for a person on scene and a person downtown?
Describe the physics behind the operation of these solar photovoltaic devices and then discuss how their efficiencies are determined.
Calculate the conditions needed to liquify propane at room temperature given that deltaH vaporization = 19.0 kJ/mol at 231.1 K.
One of these reactions is the rate-determining step in the correct mechanism for the chlorination of methane.
Explain why a catalyst for a forward reaction must also be a catalyst for the reverse reaction. Include an energy level diagram in your answer.
Classify the sigmatropic rearrangement as an [n,n]-sigmatropic rearrangement, where n is an integer.
The cis isomer of 1,2-azodifluoride is more stable than the trans isomer by 3 kcal/mol. Explain this difference.
Crystals are obtained by breaking up the solidified mass of an oil that originally separated from the hot solution.
Write an equation for the sequential hydroboration and H2O2/OH ¯ oxidation of 4-ethyl-3- heptene.
Ethers and alcohols can be isomeric. Write the structures, and give names for all possible isomers with the molecular formula C4H10O.
Classify the following reactions as substitutions, rearrangements, additions, or eliminations.
When chlorinated, an alkane, C6H14, gives only two products with the formula C6H13Cl. What is the structure of the alkane?
A sample of a substance (containing only C, H, and N) is burned in oxygen and 3.042 g of CO2, 1.090 g of H2O and 1.555 g of NO are the sole products.
How many distinct dichlorination products can result when isobutene is subjected to free radical chlorination?
Draw the abbreviated structural formulae of the products of the complete hydrolysis of the compound.
Synthesize the following compound You may also use any organic compounds containing three or less carbon atoms, benzene, N-bromosuccinimide.
How do you synthesize and purify a few grams of aspirin? What chemical principles apply if any?
List the advantaged and disadvantages of plastic versus paper bags, and decide which is preferable.
Photochemical chlorination of heptane gave a mixture of monochlorides containing 15% 1-chloroheptane. What other monochlorides are present?
With KMnO4 these aldehydes will oxidate to acids. ethanal will oxidate to acetic acid C(-CH3, =O, -OH), and benzaldehyde will oxidate to benzoic acid.
N-butanol reacts with NaBr and H2SO4 to produce n-butyl bromide, via refluxation reaction in a lab experiment.
Using extraction techniques how would you separate a mixture of aniline and toluene using dichloromethane as the extraction solvent?