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What are the photochemical properties of [Fe(CN)6]^-4 and [Co(NH3)5Cl]2+ coordination compounds? Explain how the ligands affect the electronic transitions and absorption spectra of these complexes upon exposure to light.
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Feb 22
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PhotoChemistry
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KeithAnthon1
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How does pH affect the zeta potential in a colloidal system?
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Feb 22
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Surface Chemistry
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Benjamin55Q0
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What would be the optimal ratio of phenol to nitric acid for the preparation of 2,4-dinitrophenol, and how could this ratio affect the yield and purity of the final product?
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Feb 21
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Chemical synthesis
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GermanFranki
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What is the reaction mechanism for the formation of a carboxylic acid from an alcohol using oxidation with potassium permanganate?
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Feb 22
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Organic Chemistry
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How do the physicochemical properties of ionic liquids such as viscosity, density, and conductivity vary with changes in temperature and chemical composition?
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Feb 22
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Physical Chemistry
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What is the overpotential required for the oxidation of silver ions to silver metal at a silver electrode if the reduction potential for the reaction is +0.80 V and the applied voltage is +1.00 V?
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Feb 22
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ElectroChemistry
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RenaCastella
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What is the optimal reaction conditions (temperature, concentration, and stoichiometry) for the preparation of 2,4,6-trinitrotoluene from toluene and nitric acid to achieve maximum yield and purity?
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Feb 22
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Chemical synthesis
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RudyMms5536
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What is the optimal temperature and catalyst used for the synthesis of polyethylene oxide from ethylene oxide monomer, and how do these factors affect the yield and molecular weight of the polymer?
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Feb 21
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Chemical synthesis
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How does the pH level affect the rate of photochemical reactions in the presence of a certain type of photosensitizer?
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Feb 22
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PhotoChemistry
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How do the photochemical properties differ between bioluminescent organisms that emit green light versus those that emit blue light?
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Feb 22
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PhotoChemistry
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What is the net yield of ATP molecules produced by one turn of the citric acid cycle, and how do the electron transport chain and oxidative phosphorylation contribute to the overall production of ATP in cellular respiration?
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Feb 21
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BioChemistry
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EllisDonahue
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How does the pH of the solution affect the reaction rate of the enzymatic hydrolysis of sucrose using invertase enzyme?
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Feb 22
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Chemical kinetics
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ReinaldoBull
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What is the correct molar ratio of phenol to nitric acid for the preparation of 2,4-dinitrophenol from phenol and nitric acid using sulfuric acid as a catalyst?
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Feb 22
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Chemical synthesis
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DorothyHendo
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How does the photochemical behavior differ between enantiomers, and what specific factors contribute to these differences?
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Feb 22
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PhotoChemistry
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What are the most efficient computational methods to study the structural and chemical properties of zeolites, and how do these techniques help in predicting the catalytic activity of these materials?
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Feb 21
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Computational Chemistry
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AveryJoris20
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How does the pH value of acid rain affect the growth and survival of aquatic life in freshwater ecosystems?
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Feb 22
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Environmental Chemistry
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What is the optimal reaction conditions for the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer, and how do these conditions affect the yield and quality of the final product?
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Feb 21
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Chemical synthesis
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OrenTherrien
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What is the percentage composition by mass of carbon, hydrogen, and nitrogen in a compound if elemental analysis shows that it contains 54.5% carbon, 9.1% hydrogen, and 36.4% nitrogen?
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Feb 22
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Analytical Chemistry
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Leif76792351
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What is the percent yield of a reaction if 5.5 grams of product were obtained from the reaction of 7.8 grams of reactant and the theoretical yield of the product is 9.2 grams?
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Feb 22
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Chemical reactions
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VioletteM27
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What is the optimal pH range for the treatment of acid mine drainage in order to prevent the release of toxic heavy metals into the environment?
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Feb 21
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Environmental Chemistry
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WaldoBeak339
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