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What is the optimal chemical composition and process conditions for the production of a high-yield and cost-effective nitrogen-based fertilizer using the Haber-Bosch process?
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Chemical engineering
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How effective are the current environmental regulations in reducing air pollution levels in urban areas?
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Environmental Chemistry
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What is the Faraday constant and how can it be calculated using electrochemical cells?
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How does the equilibrium position of an acid-base reaction change when the pH of the solution is altered?
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What are the main chemical reactions involved in the formation of acid rain, and how do they affect the pH levels of water bodies and soils in affected areas?
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Environmental Chemistry
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What is the effect of monomer structure on the electrical conductivity of polymer-based electronic materials?
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What is the effect of varying the temperature of magnetic materials on their magnetic properties, and how can this information be applied in the development of more efficient data storage devices?
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Materials Chemistry
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What is the effect of changing the solvent on the rate of the iodination of acetone reaction?
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Feb 19
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Chemical kinetics
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What is the equilibrium constant expression for the following gas phase reaction at 25°C?N2(g) + 3H2(g) ⇌ 2NH3(g)Given the equilibrium concentrations of N2, H2 and NH3, calculate the value of the equilibrium constant (Kc) for this reaction.
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Feb 20
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Chemical equilibrium
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What is the effect of temperature on the reaction rate and reaction yield of a chemical reaction between reactant A and reactant B? Design an experiment to investigate this relationship and provide a detailed analysis of the data obtained.
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Feb 20
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Chemical kinetics
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What is the relationship between the electronic and magnetic properties of metal-organic frameworks and their crystal structures? How does this affect their potential uses in gas storage, catalysis and molecular sensing?
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Feb 20
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Quantum Chemistry
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What is the frequency (in cm⁻¹) of the stretching vibration of the C=O bond in a molecule of acetone (CH₃COCH₃) observed in the infrared spectrum at 1715 cm⁻¹?
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Feb 20
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Physical Chemistry
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What is the effect of various catalysts on the reaction rate of the decomposition of hydrogen peroxide, and how do the results show the catalytic properties of each catalyst?
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Feb 20
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Chemical kinetics
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How do the photochemical properties of different types of photovoltaic materials affect the efficiency of solar cells?
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PhotoChemistry
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What is the effect of varying concentration of reactants on the reaction rate and profitability of a chemical reaction?
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Chemical kinetics
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What is the effect of the size and shape of metal nanoparticles on the catalytic activity of hydrazine decomposition reaction using Density functional theory calculations?
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Feb 20
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Computational Chemistry
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What is the effect of solvent polarity on the excited state dynamics of a given molecule, as predicted through ab initio calculations?
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Feb 19
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Computational Chemistry
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How do the excited state dynamics of a molecule change upon the addition of a functional group, and can these changes be predicted using ab initio calculations in computational chemistry?
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Feb 20
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Computational Chemistry
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What is the effect of varying the concentration of reactants on the rate of reaction and the resulting yield of product in the chemical reaction between hydrochloric acid and sodium thiosulphate?
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Feb 20
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Chemical kinetics
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What is the effect of varying the concentration of reactants on the rate of a chemical reaction and how does this impact the overall efficiency of the reaction?
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Feb 20
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Chemical kinetics
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