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What is the reaction mechanism for the conversion of an alcohol to an alkene using a strong acid catalyst, and what are the factors that influence the stereochemistry of the product?

asked Feb 22 in Organic Chemistry by StuartCarson (2.4k points)

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How does the presence of a catalyst affect the rate of electron transfer in a redox reaction?

asked Feb 22 in Quantum Chemistry by OlgaMoonligh (2.2k points)

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How does the presence of cholesterol in a lipid bilayer affect the fluidity and permeability of the membrane?

asked Feb 22 in BioChemistry by LeonelSiede (1.9k points)

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What is the optimum reaction conditions to prepare 2,4,6-trinitrotoluene from toluene and nitric acid in terms of temperature, concentration, and reaction time to obtain a maximum yield of the product?

asked Feb 22 in Chemical synthesis by HesterLoyau3 (2.1k points)

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What is the effect of temperature on the equilibrium constant of a chemical reaction, specifically the reaction of nitrogen dioxide and dinitrogen tetroxide? How does this effect differ in the presence of a catalyst?

asked Feb 22 in Chemical kinetics by AnitraSchard (2.1k points)

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What is the preferred method for synthesis of symmetrical ethers using alcohols and acids, and what are some limitations and drawbacks of this method?

asked Feb 22 in Organic Chemistry by OctavioDyaso (2.3k points)

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How does the presence of a catalyst affect the rate of a chemical reaction at equilibrium?

asked Feb 22 in Chemical kinetics by BradfordConr (2.2k points)

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How does the polarity of a solvent affect the rate of a photochemical reaction in terms of the excited state lifetime of the reactants?

asked Feb 22 in PhotoChemistry by AlanCoover5 (1.5k points)

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1 answer 107 views

What is the effect of molecular weight and concentration of the polymer on the performance of water-based polymer coatings in terms of abrasion resistance?

asked Feb 22 in Polymer Chemistry by FloridaOShan (2.0k points)

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How do the photochemical properties of a fluorescent dye, such as its absorption and emission spectra and quantum yield, affect its performance in fluorescence microscopy applications?

asked Feb 22 in PhotoChemistry by VeroniqueBig (1.6k points)

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What is the quantum yield of the photolysis of benzene on a certain wavelength λ? Provide a detailed explanation of the photophysical processes involved and the mathematical method used to calculate the quantum yield.

asked Feb 22 in Physical Chemistry by YaniraRhh59 (1.9k points)

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1 answer 98 views

How does the polarity of the solvent affect the rate of a chemical reaction?

asked Feb 22 in Chemical kinetics by BetteBoniwel (1.6k points)

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How does the photochemical property of luciferase enzyme found in fireflies differ from that of a protein present in bioluminescent bacteria, and what are the chemical mechanisms involved in the light emission process in each of these organisms?

asked Feb 22 in PhotoChemistry by AOVFlorrie80 (1.7k points)

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How does the polarity of a solvent affect the photochemical reaction rate of a given chemical reaction at a specific wavelength and concentration?

asked Feb 22 in PhotoChemistry by JonasQuj2910 (2.1k points)

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How do the photochemical properties of photochromic materials change with exposure to different wavelengths of light?

asked Feb 22 in PhotoChemistry by Marlene31P52 (2.5k points)

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How does the presence of unpaired electron(s) affect the magnetic properties of a molecule or material, and how can we use quantum chemistry calculations to predict and interpret these properties?

asked Feb 22 in Quantum Chemistry by Sung68J56969 (2.2k points)

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1 answer 108 views

How does the orientation of reactant molecules affect the rate of the chemical reaction between sodium thiosulfate and hydrochloric acid in a solution of varying temperatures?

asked Feb 22 in Chemical kinetics by FinleyConsta (2.4k points)

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1 answer 91 views

How does the presence of microplastics in the marine environment affect the bioaccumulation of toxic chemicals and lead to biomagnification in the food chain, and what can be done to mitigate this impact?

asked Feb 22 in Environmental Chemistry by DeanI7567799 (2.2k points)

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What is the vibrational frequency and infrared spectrum of water molecule using the quadratic force field method?

asked Feb 22 in Quantum Chemistry by JoliePeters1 (2.3k points)

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1 answer 89 views

How does the production of a gas affect the rate of a chemical reaction?

asked Feb 22 in Chemical kinetics by ArronXev3244 (1.7k points)

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