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What is the specific reaction mechanism and stoichiometry for the preparation of 2,4-dinitrophenylhydrazine from hydrazine and 2,4-dinitrochlorobenzene, and how can this synthesis process be optimized for higher yields and purity?

asked Feb 22 in Chemical synthesis by LindseyMorga (2.2k points)

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How does the presence of quantum coherence and entanglement affect the electronic properties and behavior of a particular molecular system or nanoscale system?

asked Feb 22 in Quantum Chemistry by LavadaGerken (2.3k 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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What is the step-by-step procedure for the preparation of 2,4-dinitrobenzoic acid from benzoic acid and nitric acid, including the required equipment and reagents, and the expected yield and purity of the product?

asked Feb 22 in Chemical synthesis by FranciscoHen (1.7k points)

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

asked Feb 22 in Chemical kinetics by CarmellaBibl (2.0k points)

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What is the polarity of the bond between nitrogen and fluorine in the molecule NF3?

asked Feb 22 in Chemical bonding by LXJGinger283 (2.2k points)

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How do the photochemical properties of metal nanoparticles differ from those of semiconductor nanoparticles, and how can these differences be attributed to their electronic structures?

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

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What is the mechanism involved in the preparation of phenylalanine from benzyl chloride and ammonia, and how can it be optimized to increase the yield of the product?

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

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1 answer 102 views

How does the order of nucleotides in DNA determine the sequence of amino acids in a protein during RNA transcription and translation?

asked Feb 22 in BioChemistry by AnjaAbt20068 (2.0k points)

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What is the mechanism of nucleophilic addition reaction of methanol with propanal, and what is the product obtained?

asked Feb 21 in Organic Chemistry by MarkusPaquet (1.7k points)

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How does the reaction mechanism of a reaction affect the rate of reaction, and what experimental methods can be used to investigate this relationship?

asked Feb 22 in Chemical kinetics by Danny16L1758 (1.6k points)

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What is the specific procedure and mechanism involved in the preparation of 4-bromoacetanilide from acetanilide and bromine in the presence of a catalyst, and how can one optimize the yield produced?

asked Feb 22 in Chemical synthesis by DinoDalziel9 (1.7k points)

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What is the effect of different ligands on the photochemical properties of coordination compounds? Use specific examples to explain how the photophysical and photochemical properties of the complex can be altered by changing the ligand.

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

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How does the rate of a chemical reaction change with an increase or decrease in temperature? Provide experimental evidence to support your answer.

asked Feb 22 in Chemical kinetics by TaylaBromby8 (2.2k 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 of the Pinacol-Pinacolone Rearrangement and provide an example of the reaction?

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

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1 answer 98 views

What are the factors that affect the phosphorescent properties of materials, and how can they be optimized for practical applications such as in OLED displays or security inks?

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

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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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What is the optimum temperature and time duration required to perform the Preparation of 2-chloro-4-nitroaniline from aniline and chlorine gas while maintaining a high yield?

asked Feb 22 in Chemical synthesis by REHJon915716 (1.9k points)

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1 answer 86 views

How does the presence of chiral centers in a molecule affect its photochemical properties, and what is the mechanism behind this effect?

asked Feb 22 in PhotoChemistry by Lachlan74F5 (2.0k points)

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