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What is the quantum yield of a photochemical reaction in which 50% of the absorbed photons lead to the formation of the product? How does it differ from the quantum efficiency of the reaction and how can it be experimentally determined?

asked Feb 22 in Physical Chemistry by MargieJobson (2.2k points)

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What is the most efficient catalyst system for the synthesis of polypropylene from propylene monomer and how does it affect the properties of the resulting polymer?

asked Feb 21 in Chemical synthesis by MollieBalke (2.3k points)

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What are the factors that influence the photo-induced electron transfer process in transition metal complexes?

asked Feb 22 in PhotoChemistry by JadaMeece33 (1.6k points)

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How does the photochemical behavior of coordination compounds depend on the metal ion and ligands used in their synthesis? Provide specific examples to support your answer.

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

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What is the optimal molar ratio of salicylic acid to acetic anhydride for synthesizing aspirin with a high yield?

asked Feb 21 in Chemical synthesis by JodieBaskett (1.8k points)

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How does the photochemical properties of dyes and pigments affect their coloring abilities and photostability?

asked Feb 22 in PhotoChemistry by Milagros70T7 (1.5k points)

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How does the presence of toxic heavy metal ions like lead or mercury in water affect the survival and reproduction of different species of aquatic organisms, and what are the underlying chemical mechanisms responsible for the observed effects?

asked Feb 22 in Environmental Chemistry by SherriBorell (1.9k points)

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What is the effect of concentration and duration of exposure of a photosensitizer on the rate of photochemical reactions?

asked Feb 22 in PhotoChemistry by MartyLeSouef (2.0k points)

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How does the polarity of the solvent affect the rate of the photochemical reaction in the presence of a photosensitizer?

asked Feb 22 in PhotoChemistry by Tyler10U150 (2.4k points)

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How does the prediction of chemical reactivity and selectivity using quantum chemistry methods differ from empirical methods and what are the advantages and limitations of each approach?

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

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How do the photochemical properties of supramolecular assemblies differ from those of individual molecules, and what factors influence these differences?

asked Feb 22 in PhotoChemistry by REHJon915716 (1.9k points)

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How does pH affect the rate of reaction between hydrochloric acid and magnesium?

asked Feb 22 in Chemical kinetics by MaximoVardon (1.9k points)

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What is the pKa value of acetic acid? Give a detailed explanation of the factors that affect the acidity of organic compounds with the help of acetic acid as an example.

asked Feb 22 in Organic Chemistry by MarlaColes2 (2.1k points)

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What is the mechanism that governs the photochemical stability of quantum dots, and how can this be optimized for potential use in optoelectronics and biomedical applications?

asked Feb 22 in PhotoChemistry by JaneAlbrecht (1.9k points)

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What is the effect of pH level in water pollution on the survival and growth of aquatic organisms?

asked Feb 22 in Environmental Chemistry by Georgianna53 (2.0k points)

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How does the rate of the photochemical reaction of benzophenone change with increasing temperature?

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

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How do the photochemical properties of R- and S-enantiomers differ from each other and how can these differences be utilized in photodriven processes such as chiral synthesis or resolution?

asked Feb 22 in PhotoChemistry by Bernice06378 (1.4k points)

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How does the presence of a catalyst affect the rate of electron transfer reactions and redox reactions?

asked Feb 22 in Quantum Chemistry by BoydHaynes98 (1.9k points)

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What are the factors that influence the phosphorescent properties of organic molecules in photochemistry?

asked Feb 22 in PhotoChemistry by Dannie89E20 (2.0k points)

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What is the optimal temperature and pressure conditions needed to maximize the yield of methanol production via the catalytic conversion of carbon monoxide and hydrogen gas in a batch reactor?

asked Feb 22 in Chemical engineering by LatashaWillc (2.7k points)

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