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What is the optimum reaction conditions including temperature, pressure, and catalyst concentration for the synthesis of high molecular weight polyvinyl alcohol from vinyl acetate monomer?
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Feb 28
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Chemical synthesis
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How does the topology of a material affect its electronic and magnetic properties, and how can this relationship be mathematically modeled using quantum chemistry principles?
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Feb 28
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Quantum Chemistry
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What is the type of bond between oxygen (O) and hydrogen (H) in a water molecule (H2O)?
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Feb 28
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Chemical bonding
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How does the temperature affect the phase transition of water using Monte Carlo simulations?
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Feb 28
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Computational Chemistry
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How does the concentration of reactants affect the reaction rate and yield in the synthesis of aspirin using sulfuric acid as a catalyst?
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Feb 28
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Chemical kinetics
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How does the type and concentration of surfactant in a cleaning agent affect its ability to remove oil from a surface?
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Feb 28
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Surface Chemistry
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What is the step-by-step mechanism for the synthesis of phenylalanine from benzyl chloride and ammonia?
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Feb 28
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Chemical synthesis
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What is the optimum reaction conditions (temperature, pressure, and duration of the reaction) for the synthesis of 2,4-dichlorobenzoic acid from benzoic acid and chlorine gas to achieve the highest yield with the least amount of side products?
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Feb 28
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Chemical synthesis
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What is the optimal molar ratio of toluene to nitric acid needed to produce the maximum yield of 2,4,6-trinitrotoluene in the chemical synthesis process?
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Feb 28
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Chemical synthesis
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What would be the optimal conditions, in terms of solvent, temperature, and reactant ratios, for the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine while minimizing waste production?
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Feb 28
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Chemical synthesis
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How does the use of a catalyst affect the reaction rate and mechanism for the decomposition of hydrogen peroxide into water and oxygen?
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Feb 28
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Chemical kinetics
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What is the type of chemical bond formed between oxygen and hydrogen in water?
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Feb 28
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Chemical bonding
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How does the synthesis method and composition of polymer-based packaging materials affect their biodegradability and potential environmental impact?
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Feb 28
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Polymer Chemistry
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What is the step-by-step mechanism for the synthesis of ibuprofen from 2-methylpropylbenzene and carbon dioxide?
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Feb 28
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Chemical synthesis
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What is the step-by-step reaction mechanism for the synthesis of ibuprofen from 2-methylpropylbenzene and carbon dioxide?
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Feb 28
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Chemical synthesis
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What are the steps involved in the synthesis of polyethylene from the ethylene monomer, and what conditions (pressure, temperature, catalyst, etc.) are necessary for the successful production of high-quality polyethylene?
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Feb 28
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Chemical synthesis
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What is the step-by-step mechanism for synthesizing polyethylene from ethylene monomer in the presence of a Ziegler-Natta catalyst and how does the molecular weight of the resulting polymer vary with variation in the reaction conditions?
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Feb 28
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Chemical synthesis
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How does the temperature affect the conductivity of ionic liquids and what is the underlying mechanism behind it?
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Feb 28
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Physical Chemistry
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11
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What is the standard enthalpy change for the transition of water from ice at -10°C to liquid water at 25°C? Provide the balanced chemical equation for this phase transition and use the appropriate values to calculate the standard enthalpy change.
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Mar 1
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Chemical thermodynamics
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What is the step-by-step mechanism for the synthesis of polyvinyl chloride from vinyl chloride monomer, including any necessary reagents and conditions?
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Feb 28
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Chemical synthesis
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