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How does the reaction rate affect the selectivity of a chemical reaction, and how can this knowledge be applied to optimize selectivity in industrial chemical processes?
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Feb 22
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Chemical kinetics
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Reuben64X571
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Identify and explain the mechanism of the reaction between benzene and bromine in the presence of FeBr3 as a catalyst.
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Feb 22
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Organic Chemistry
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How does the rate of a photochemical reaction involving the decomposition of chlorine gas vary with temperature?
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Feb 22
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PhotoChemistry
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HoraceT7712
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What is the effect of temperature on the reaction rate and yield of the reaction between sodium thiosulfate and hydrochloric acid?
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Feb 22
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Chemical kinetics
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What is the reaction quotient Qc for the following equilibrium reaction at 25°C, given the molar concentrations of the reactants and products:2NO2(g) ⇌ 2NO(g) + O2(g)[NO] = 0.50 M, [O2] = 0.25 M, and [NO2] = 0.75 M.
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Feb 22
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Chemical thermodynamics
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How does the quantum confinement effect on the electronic and optical properties of CdSe/ZnS core-shell quantum dots of different sizes?
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Feb 22
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Quantum Chemistry
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AshleighTheo
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How does the change in pH affect the rate of reaction between hydrogen peroxide and iodide ion?
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Feb 22
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Chemical kinetics
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EdwardoO6191
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How does the rate of reaction change with an increase in temperature for the reaction between hydrochloric acid and magnesium?
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Feb 22
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Chemical kinetics
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KristoferAck
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How does the rate of a photochemical reaction depend on the polarity of the solvent used?
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Feb 22
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PhotoChemistry
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GlenCaringto
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How does the purity of graphene affect its electronic properties, and how can we optimize the synthesis method to achieve high purity graphene for use in electronic devices?
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Feb 22
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Materials Chemistry
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MckinleyO01
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What is the mechanism of the reaction between acetic acid and thionyl chloride to form acetyl chloride?
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Feb 22
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Organic Chemistry
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IeshaC20996
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How does the presence of electron-donor or electron-acceptor groups in a photovoltaic material affect its photochemical properties, specifically its efficiency in converting light energy to electrical energy?
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Feb 22
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PhotoChemistry
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YVMCinda4278
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What is the mechanism for the reaction between acetic acid and thionyl chloride to form acetyl chloride?
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Feb 22
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Organic Chemistry
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ElissaSegura
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What is the mechanism for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas, and what are the optimum conditions (temperature, pressure, and concentration) necessary for the reaction to take place efficiently?
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Feb 22
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Chemical synthesis
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ArleneLeichh
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How does the presence of a ligand affect the crystal field splitting energy in coordination complexes?
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Feb 22
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Coordination Chemistry
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RemonaPinto
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How does the presence of supramolecular assemblies affect the photochemical properties of certain molecules, and how can this knowledge be used in the design of more efficient photo-responsive materials?
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Feb 22
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PhotoChemistry
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What is the predicted reaction between manganese (Mn) and chlorine (Cl) based on their electronic configuration and how does it compare to the reaction between iron (Fe) and chlorine?
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Feb 22
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Inorganic Chemistry
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DorisHoutz8
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What is the effect of increasing the pH on the equilibrium position of the reaction between acetic acid and sodium acetate? Provide a mathematical explanation to justify your answer.
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Feb 22
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Chemical equilibrium
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ChongLigon1
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How does the rate of photochemical reactions vary with the polarity of solvents in which the reaction is taking place?
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Feb 22
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PhotoChemistry
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August936905
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How does the presence of substrate concentration affect the rate of catalysis by enzymes? Provide experimental evidence to support your answer.
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Feb 22
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BioChemistry
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ValentinStec
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