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How do the photochemical properties of different sunscreen agents affect their effectiveness in protecting against UV radiation?

asked Feb 22 in PhotoChemistry by TillyBbd3251 (2.3k points)

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How does the process of RNA polymerase binding to a promoter sequence on DNA impact the order of amino acids in a resulting protein during translation?

asked Feb 22 in BioChemistry by Shelia708886 (2.1k points)

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What is the pKa value of the compound benzene sulfonic acid and how does it affect the acidity of the molecule in different solvents?

asked Feb 22 in Organic Chemistry by KaitlynRodri (2.0k points)

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What is the predicted molecular geometry of the molecule SO2 using VSEPR theory?

asked Feb 22 in Chemical bonding by SilviaTorpy5 (2.1k points)

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What is the step-by-step mechanism for the preparation of 2,4-dichlorobenzoic acid from benzoic acid and chlorine gas? Include the balanced chemical equation for the reaction and explain the role of the catalyst in the process.

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

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What is the predicted geometry and polarity of the inorganic molecule SF6?

asked Feb 22 in Inorganic Chemistry by Marcella96R (2.4k points)

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What is the mechanism behind the pinacol-pinnacolone rearrangement and how does it relate to the stereochemistry of the reactants and products? Provide specific examples and discuss the factors that influence the reaction rate and product yield.

asked Feb 22 in Organic Chemistry by SherrylP401 (2.4k points)

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How does the presence of a catalyst affect the activation energy and reaction rate of a hydrolysis reaction between a carboxylic acid and an alcohol, as determined by quantum chemical calculations of the reaction mechanisms?

asked Feb 22 in Computational Chemistry by ElisabethWeo (1.9k points)

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1 answer 31 views

What is the complete mechanism of the preparation of 2-chloro-4-nitroaniline from aniline and chlorine gas?

asked Feb 22 in Chemical synthesis by TatianaSteil (2.3k points)

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What is the mechanism of the Pinacol-Pinacolone rearrangement and how does it differ from the Beckmann rearrangement? Provide the structures of the reactants, intermediate(s), and products involved in both reactions.

asked Feb 22 in Organic Chemistry by KennyWenz603 (1.7k points)

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How does the presence of heavy metals in water affect the growth rate of a specific species of aquatic plant?

asked Feb 22 in Environmental Chemistry by CorrineHampt (2.4k points)

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What is the predicted bond angle in the water molecule and why is it different from the predicted bond angle in the carbon dioxide molecule?

asked Feb 22 in Chemical bonding by MckinleyO01 (2.0k points)

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1 answer 34 views

How does the polarity of the solvent affect the rate of photochemical reactions of a specific compound?

asked Feb 22 in PhotoChemistry by EvaO88610769 (2.1k points)

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How do the physicochemical properties of landfill leachate impact the quality of groundwater and what are the specific remediation strategies that can be employed to mitigate this impact on the environment?

asked Feb 22 in Environmental Chemistry by Shelia708886 (2.1k points)

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What is the predicted bond angle for the H2O molecule and what are the factors that affect this angle?

asked Feb 22 in Chemical bonding by SNBBernd7967 (2.3k points)

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How does the pore size of activated carbon affect the adsorption of water pollutants?

asked Feb 22 in Surface Chemistry by VonSissons9 (1.9k points)

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How does the reaction rate affect the selectivity of a chemical reaction? Investigate the relationship between reaction rate and selectivity by conducting a series of experiments with different reaction conditions and analyzing the products produced.

asked Feb 22 in Chemical kinetics by VicenteWinif (1.8k points)

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How does the pore size of a metal-organic framework affect its ability to absorb carbon dioxide molecules? Use computational studies to compare the adsorption capacity of three different metal-organic frameworks with varying pore sizes.

asked Feb 22 in Computational Chemistry by IsabelleTitu (1.8k points)

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What are the factors affecting the photoluminescent properties of phosphorescent materials, and how can we optimize these properties for applications in optoelectronic devices?

asked Feb 22 in PhotoChemistry by WilfredoWren (2.1k 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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