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What is the optimal reaction conditions (temperature, pressure, concentration) for the preparation of 2,4,6-trinitrotoluene from toluene and nitric acid, and what is the yield of the reaction under these conditions?
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Feb 22
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Chemical synthesis
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HaydenSpeigh
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How does the polarity of the solvent affect the rate of photochemical reactions in different solvents? Provide experimental evidence to support your answer.
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Feb 22
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PhotoChemistry
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BobBar745884
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How do the photochemical properties of quantum dots vary with size and composition, and how can this knowledge be applied in developing more efficient and stable quantum dot-based solar cells?
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Feb 22
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PhotoChemistry
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K29986283214
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What are the photochemical properties of cis-[Co(en)2Cl2]+? Describe the photochemical reaction mechanism and any products formed.
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Feb 22
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PhotoChemistry
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CaseyDemarco
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What are the optimal conditions (temperature, length of reaction, concentration of reactants) for the preparation of 2,4,6-trinitrotoluene from toluene and nitric acid to achieve the highest yield possible?
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Feb 22
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Chemical synthesis
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DwainCarlisl
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What are the photochemical properties of transition metal complexes and how do they affect their reactivity towards light?
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Feb 22
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PhotoChemistry
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HarleyOreill
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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?
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Feb 22
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Chemical synthesis
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REHJon915716
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In what ways do the photochemical properties of transition metal complexes differ from those of non-transition metal complexes, and how can this be explained by their electronic structures and crystal field splitting?
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Feb 22
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PhotoChemistry
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Samira94683
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97
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What is the most efficient reaction condition to synthesize high molecular weight polyvinylpyrrolidone from vinylpyrrolidone monomer and what is the effect of different initiators used in the reaction?
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Feb 21
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Chemical synthesis
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KaraTva8370
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How does the presence of reaction intermediates influence the rate of a chemical reaction? Provide experimental evidence to support your answer using a specific reaction and varying the concentration of the intermediate.
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Feb 22
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Chemical kinetics
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AlishaGolder
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How do the photochemical properties of enantiomers differ and what are the molecular mechanisms behind these differences?
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Feb 22
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PhotoChemistry
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SVNCarissa5
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What is the optimum temperature and time required for the Preparation of p-nitroaniline from aniline and nitric acid, and how can the purity of the final product be improved?
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Feb 22
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Chemical synthesis
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CharleneLemu
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90
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What changes occur in the performance and durability of polymer-based coatings and paints when different types of solvents and curing agents are used during the manufacturing process?
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Feb 22
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Polymer Chemistry
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How does the photochemical properties of dyes and pigments affect their color stability under sunlight exposure?
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Feb 22
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PhotoChemistry
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JanniePeek84
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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, and what is the percentage yield obtained when starting with 10 grams of benzoic acid and excess nitric acid?
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Feb 22
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Chemical synthesis
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Marietta86T
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How does the photochemical properties of the active layer in photovoltaic cells affect the efficiency of the cell's conversion of sunlight to electrical energy?
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Feb 22
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PhotoChemistry
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ShaneY52932
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How does the presence of UV radiation affect the degradation and stability of polyethylene and polystyrene, and how can this degradation be minimized for the production of long-lasting plastic products?
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Feb 22
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Polymer Chemistry
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DarbyJackey7
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81
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What is the polarity of the bond between nitrogen and fluorine in the molecule NF3?
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Feb 22
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Chemical bonding
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LXJGinger283
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How does the presence of a metal nanoparticle affect the surface-enhanced Raman spectroscopy (SERS) signal of a molecule?
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Feb 22
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Surface Chemistry
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AlfonsoJanze
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What is the polarity of a bond between nitrogen and oxygen in NO2?
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Feb 22
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Chemical bonding
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BarbraBelang
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2.1k
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