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What is the most effective protecting group for a primary alcohol during esterification, and why?
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Feb 21
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Organic Chemistry
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What is the molecular geometry and bond angles of NH3 molecule and how does it affect its polarity and reactivity in chemical reactions?
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What is the optimal ratio of diisocyanate to polyol for the synthesis of polyurethane with desired mechanical properties and how does this ratio affect the final characteristics of the material?
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Feb 21
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Chemical synthesis
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What is the most effective metal catalyst and reaction conditions for selective oxidation of methane to methanol on metal surfaces?
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What is the optimal ratio of diisocyanate and polyol required to synthesize polyurethane with desirable mechanical properties?
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How do the photochemical properties of gold nanoparticles differ from those of silver nanoparticles, and how can these differences be explained using the principles of photochemistry?
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Feb 22
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PhotoChemistry
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What is the effect of pH on the stability of a colloidal solution and how can this be demonstrated experimentally?
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Surface Chemistry
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What is the most efficient protecting group method for the synthesis of carboxylic acid derivatives such as esters and amides without affecting the functionality of other groups on the same molecule?
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Feb 21
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Organic Chemistry
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What is the net number of ATP molecules produced per glucose molecule oxidized in the citric acid cycle and oxidative phosphorylation?
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BioChemistry
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What is the effect of the molecular weight of a polymer on the properties of the resulting coating or paint?
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How does the photochemical behavior of enantiomers differ, and what factors contribute to these differences?
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PhotoChemistry
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How does the monomer structure affect the properties of the polymer produced in the polymerization reaction?
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Organic Chemistry
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What is the optimum reaction condition (temperature, pressure, and catalyst concentration) for synthesizing high molecular weight polyvinylpyrrolidone from vinylpyrrolidone monomer using a free radical polymerization technique?
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Feb 22
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Chemical synthesis
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What is the most efficient and cost-effective chemical treatment system for the removal of heavy metals from industrial wastewater?
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What is the most effective method to clean up and remediate a large-scale oil spill in a marine environment using environmentally-friendly and sustainable chemistry techniques?
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What is the isomerism of the molecule CH3CH=CHCH3 and how many isomers it has?
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How does the nature of the catalyst surface influence the mechanism and efficiency of heterogeneous catalysis in the conversion of reactants to products?
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Surface Chemistry
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What is the mechanism of the nucleophilic substitution reaction between bromomethane and ammonia?
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Feb 21
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Organic Chemistry
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How does the molecular weight of a polymer-based biomaterial affect its performance in tissue engineering applications?
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Feb 21
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Polymer Chemistry
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What is the optimal molar ratio of acetic anhydride and salicylic acid required for the synthesis of acetylsalicylic acid with the highest yield possible?
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Chemical synthesis
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