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How does the rate of reaction affect the selectivity of reaction in the synthesis of methyl salicylate from salicylic acid and methanol? Can you propose a mechanism to explain the observed selectivity at different reaction rates?

asked Feb 22 in Chemical kinetics by TaylaBromby8 (2.2k points)

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1 answer 88 views

How does the presence or absence of certain chemical modifications in RNA affect pre-mRNA splicing and ultimately impact gene expression in eukaryotic cells?

asked Feb 22 in BioChemistry by CierraSpicer (1.4k points)

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How does the presence of heavy metal contaminants in soil affect the growth and yield of crops, and what remediation techniques can be employed to mitigate their impact on agricultural productivity?

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

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How does the presence of a small amount of impurities affect the liquid crystalline phase behavior and optical properties of a given substance?

asked Feb 22 in Physical Chemistry by Alexis87J090 (1.6k points)

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What are the photochemical properties of the photochromic material used in transition lenses, and how do they cause the lenses to darken when exposed to sunlight, and then lighten when the sunlight is removed?

asked Feb 22 in PhotoChemistry by BrainRubin29 (2.2k points)

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How do the photochemical properties of a dye change when it is exposed to different wavelengths of light?

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

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How does the presence of functional groups, such as carbonyl groups, affect the mechanism of photochemical reactions in organic compounds?

asked Feb 22 in PhotoChemistry by PercyEdmonds (1.8k points)

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How does the polarity of the solvent affect the photochemical reaction rate for a specific photochemical reaction?

asked Feb 22 in PhotoChemistry by GlendaNester (1.8k points)

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How does the presence of a protein affect the structural stability and flexibility of DNA in molecular dynamics simulations, and what are the underlying molecular mechanisms of this interaction at the atomic level?

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

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How does the presence of toxic substances in industrial waste impact the quality of soil and groundwater near the disposal sites, and what are the most effective methods for preventing contamination?

asked Feb 22 in Environmental Chemistry by DeloresQ3217 (1.6k points)

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How does the polarity of the solvent affect the rate of a photochemical reaction? Provide experimental evidence and discuss the underlying mechanism behind the observed trend.

asked Feb 22 in PhotoChemistry by EfrainAlarco (2.2k points)

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How does the reaction mechanism (e.g. unimolecular, bimolecular, or termolecular) affect the rate of a chemical reaction, and what experimental methods can be used to investigate this relationship?

asked Feb 22 in Chemical kinetics by DevonHamlett (2.3k points)

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How does the prediction of catalytic activity and selectivity using quantum chemistry methods differ for different types of catalysts and reactions, and what factors contribute to the accuracy of these predictions?

asked Feb 22 in Quantum Chemistry by BeverlyNavar (1.8k points)

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What is the step-by-step procedure for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas, and what are the physical and chemical properties of the final product?

asked Feb 22 in Chemical synthesis by LibbyHollera (2.4k points)

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How do the primary, secondary, tertiary, and quaternary structures of a protein affect its overall function, and what chemical bonds and interactions are involved in the folding and stabilization of these structures?

asked Feb 22 in BioChemistry by FinleySalern (1.6k points)

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What is the optimal temperature and reaction time required for the preparation of 2,4-dichlorobenzoic acid from benzoic acid and chlorine gas?

asked Feb 22 in Chemical synthesis by FranziskaEve (1.9k points)

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How does the presence of a functional group on the fluorescent dye molecule affect its photochemical properties, such as excitation and emission wavelengths?

asked Feb 22 in PhotoChemistry by PatsyRubin2 (2.2k points)

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What is the predicted molecular geometry of a molecule of XeF4, and what is the hybridization of the central atom?

asked Feb 22 in Chemical bonding by Regina84W280 (1.7k points)

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What is the step-by-step procedure for the preparation of 4-bromoacetanilide from acetanilide and bromine and how can the purity of the final product be determined using techniques like melting point determination and TLC analysis?

asked Feb 22 in Chemical synthesis by NovellaDegot (1.6k points)

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How does the presence of different functional groups affect the molecular dynamics and energy transfer processes in organic compounds? Provide specific examples and explain the underlying quantum mechanical principles that govern these processes.

asked Feb 22 in Quantum Chemistry by PercyBanning (1.6k points)

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