What is meant by recalcitrance,give an example and briefly discuss why increased chlorination of organic compounds increases the recalcitrance or stability of the molecule in the environment.
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What is meant by recalcitrance,give an example and briefly discuss why increased chlorination of organic compounds increases the recalcitrance or stability of the molecule in the environment.
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- Briefly discuss why increased chlorination of organic compounds increases the recalcitrance or stability of the molecule in the environment.Based on the color of the pigments on the chromatography paper, explain which wavelengths of lights are absorbed and reflected by chlorophyll a, chlorophyll b, xanthophyll, and beta caroteneWe saw the oxidation/reduction of malate to/fro oxaloacetate in two pathways that we looked at: _____________________________________ and _________________________.
- Why is picric acid used for burns? Explain the principle involvedMost of the following conclusions regarding the photo shown above are correct Except: All of the following are correct regarding the disk diffusion test photos EXCEPT : Zone of inhibition Chlorine Chlorine Chlorine O-phenylphenol Hexachlorophene O-phenylphenol Hexachlorophene Hexachlorophene O-phenylpheno Quat Quat Quat Staphylococcus aureus (gram-positive) Escherichia coli Pseudomonas aeruginosa (gram-negative) (gram-negative) Select one: O to. Gram negative bacteria are the most sensitive to chemical agents O b. Only one of the four chemicals affected Pseudomonas O c. Gram positive bacteria are the most sensitive to disinfectants O d. Hexachlorophene was effective only against Gram positive bacteria. O and. Chlorine was effective against all bacteria bacteria testedIodine values change during oil hydrogenation. Why these values change during hydrogenation and why would one wish to hydrogenate edible oils?
- Give 5 examples of molybdenum complexes. State their physical and chemical properties and their importance or applications. Additional question, what are the oxidation numbers of molybdenumThe two most abundant pigments in the chromatography results were carotene and Xanthophyll. What colors are absorbed or reflected by various pigments and how much is there?Give the reagent or chemical test that would differentiate the following pairs of compounds. Write chemical equations for the reactions. List of Chemical Tests (choose here)I. Halogenation: Bromination with and without lightII. Oxidation: Reaction with Baeyer’s reagent III. Reaction with Ammoniacal Silver Nitrate (AgNO3) or simply Tollen’s reagent a. benzene and ethylbenzeneb. 1-butyne and 2-butynec. 2-methylpentane and 2-methyl-2-pentened. toluene and 1-methylcyclohexene
- Complete the following tables by providing the reactants/substrates, enzymes and their functions as well as the products in each step of thefatty acid pathways.Discuss the suitability of bromocresol green and thymol blue (2nd change only) for use as indicators in an acetic acid - sodium hydroxide titration. Paragraph в I A + v ...Aromatic compounds are ubiquitous in organic systems. However, many common aromatic compounds are known carcinogens. Discuss the presence of 2 aromatic compounds in our environment (naturally or resulting from human activity). Include the sources of these compounds as well as their biological activity and health impacts.