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How does the solvent polarity affect the photochemical reaction rate of a given compound? Provide examples to explain.
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Feb 25
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PhotoChemistry
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How does the strength of hydrogen bonding between water molecules vary at different temperatures? Use quantum chemical calculations to determine the changes in bonding energy and intermolecular distance as water is heated from 0°C to 100°C.
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Computational Chemistry
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How does the size of a molecule affect its geometric and electronic structure, as determined by ab initio calculations of its molecular properties?
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Computational Chemistry
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What is the solubility of table salt (NaCl) in water, and what factors affect its solubility in the solvent?
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What are the factors that affect the strength of a covalent bond? How can the understanding of these factors help in predicting the bond strength and molecular structure of a compound?
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Chemical education
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How does the specific sequence of carbohydrates on a glycoprotein influence the recognition and binding of its corresponding protein partner? Use specific examples to illustrate your answer.
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BioChemistry
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What is the standard enthalpy change for the combustion of methane gas (CH4) at 298 K and 1 atm pressure?
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Physical Chemistry
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How does the size of magnetic particles affect the data storage capacity of magnetic materials?
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Feb 25
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Materials Chemistry
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What is the standard reduction potential of a copper electrode in a 1 M Cu2+ solution at 25°C? How would the standard reduction potential change if the copper concentration was changed to 0.1 M Cu2+?
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Feb 25
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Physical Chemistry
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How does the size of quantum dots influence their photochemical properties and how can these properties be utilized in specific applications such as solar cells or optoelectronics?
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Feb 25
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PhotoChemistry
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How does the size of quantum dots affect their photochemical properties, specifically their optical absorption and emission spectra?
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Feb 25
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PhotoChemistry
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How does the size and shape of metallofullerenes and metalloclusters affect their coordination chemistry and reactivity?
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Coordination Chemistry
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What factors affect the solubility of inorganic salts in water, and how can we predict the solubility of a particular salt based on its chemical structure and properties?
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Inorganic Chemistry
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How does the electrolyte concentration affect the stability of a colloidal dispersion? Provide experimental evidence to support your answer.
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Surface Chemistry
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How does the size and shape of a nanomaterial affect its electronic and optical properties, and how can quantum chemistry calculations be used to predict and understand these properties?
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Feb 25
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Quantum Chemistry
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What is the maximum amount of sodium chloride that can be dissolved in 100 grams of water at room temperature?
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Chemical bonding
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What are the size-dependent properties of gold nanoparticles synthesized through the citrate reduction method?
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Feb 25
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Physical Chemistry
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What is the solubility of sodium chloride (NaCl) in water at 25°C, and how does it compare to the solubility of magnesium sulfate (MgSO4) in water at the same temperature?
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Feb 25
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Chemical bonding
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How does the size of quantum dots affect their photochemical properties?
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Feb 25
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PhotoChemistry
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What is the relationship between the size and shape of a quantum dot or quantum well and its electronic and optical properties, and how can these properties be calculated using quantum chemistry methods?
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Feb 25
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Quantum Chemistry
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