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What is the reaction mechanism for the formation of a hemiacetal from an aldehyde and an alcohol in the presence of an acid catalyst?
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Feb 20
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Organic Chemistry
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CollinByrd4
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What is the effect of temperature on the reaction rate between hydrochloric acid and sodium thiosulphate, and how does it conform with the Arrhenius equation?
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Feb 20
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Chemical kinetics
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CesarSpragg2
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What is the effect of varying concentrations of reactants on the reaction rate and efficiency of the chemical reaction between potassium permanganate and oxalic acid?
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Feb 20
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Chemical kinetics
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What is the effect of solvent polarity on the strength of intermolecular interactions between two molecules?
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Feb 19
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Quantum Chemistry
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What is the new equilibrium constant for the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) if the initial concentration of NH3 is 0.1 M, N2 is 0.2 M, H2 is 0.3 M, and then more H2 is added until its concentration reaches 0.5 M?
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Feb 20
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Chemical equilibrium
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How does the electronic structure of a molecule affect its photochemical reactivity and the efficiency of energy transfer in photosynthesis?
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Quantum Chemistry
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What is the effect of temperature on the reaction rate and safety of the exothermic reaction between sodium hydroxide and hydrochloric acid?
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Feb 20
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Chemical kinetics
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What is the mechanism of the Friedel-Crafts alkylation reaction of benzene with tert-butyl chloride in the presence of aluminum chloride catalyst?
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Feb 20
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Organic Chemistry
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What is the effect of temperature on the electrical conductivity of an ionic liquid consisting of tetraethylammonium chloride and ethylene glycol?
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Feb 20
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Physical Chemistry
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What is the effect of increasing the pH on the formation of a complex ion between Fe3+ and SCN-? Provide a detailed explanation, including any relevant equations or calculations.
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Feb 20
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Chemical equilibrium
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How does the variation of reactant concentration affect the equilibrium constant of a chemical reaction?
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Feb 20
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Chemical kinetics
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What is the effect of metal substitution in metal-organic frameworks on their gas adsorption properties at varying temperatures and pressures?
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Feb 19
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Computational Chemistry
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What products are formed from the elimination reaction of 2-bromo-2-methylbutane with potassium hydroxide in ethanol at 25°C? Determine the major and minor products, and explain your reasoning.
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Feb 20
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Organic Chemistry
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How does the disposal of heavy metals from industrial waste affect the acidity levels of nearby water bodies, and what are the potential consequences for aquatic life and human health?
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Environmental Chemistry
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What are the key parameters that influence the efficiency of the polymerization process and how can they be optimized to produce the desired polymer with specific properties?
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Feb 20
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Chemical engineering
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What is the reaction mechanism for the formation of water from hydrogen gas and oxygen gas? Use quantum chemical calculations to determine the energy profile of the reaction and identify the transition state.
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Feb 20
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Computational Chemistry
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What is the effect of different light sources on the photochemical and photophysical properties of a specific organic molecule?
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Feb 19
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Quantum Chemistry
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How has the history and evolution of chemistry contributed to our current understanding of the properties and behavior of elements, and how can this knowledge be applied in modern chemistry research and industry?
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Feb 20
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Chemical education
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How will the change in pH affect the formation of the iron(III)-thiocyanate complex ion equilibrium?
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Feb 20
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Chemical equilibrium
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What is the effect of the excitation wavelength on the fluorescent output of specific dyes, and how can this information be utilized for selective labeling and detection in biological systems?
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Feb 20
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PhotoChemistry
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