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How do the size and shape of quantum dots affect their photochemical properties, such as absorption and emission spectra, quantum yield, and stability?
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PhotoChemistry
1
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18
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How does the size and shape of gold nanoparticles affect their surface plasmon resonance (SPR) properties?
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Physical Chemistry
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How does the size and shape of a quantum dot affect its electronic and optical properties?
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Quantum Chemistry
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What is the maximum adsorption capacity (in moles per square meter) of a surface with a Langmuir adsorption isotherm when the equilibrium constant is 2 x 10^3 M^-1 and the concentration of adsorbate in solution is 5 x 10^-4 M?
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5 days
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Surface Chemistry
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What is the reaction mechanism of the hydration reaction of propyne, and what is the product formed?
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Organic Chemistry
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What is the diffusion coefficient of oxygen gas in air at 25°C and atmospheric pressure?
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6 days
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Physical Chemistry
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What is the coordination number and structure for the complex [UO2(C2O4)(H2O)2]2-? How does the size of the ligands affect the coordination number and structure of the complex for lanthanide and actinide ions?
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6 days
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Coordination Chemistry
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19
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How does the coordination environment around the metal ion in metalloproteins affect their enzymatic activity and specificity? Provide specific examples of metalloproteins and their respective metal coordination geometries that support your findings.
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6 days
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Coordination Chemistry
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23
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What is the effect of the addition of nanoparticles on the mechanical and thermal properties of polymer nanocomposites?
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Feb 17
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Polymer Chemistry
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27
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What is the mechanism by which sunscreen agents absorb harmful UV radiation, and how can the efficiency of sunscreen be measured and optimized through experimentation?
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Feb 14
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PhotoChemistry
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27
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How can we use pharmacogenetics to optimize drug therapy and minimize adverse drug reactions?
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Feb 14
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Medicinal Chemistry
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28
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How can you optimize the production process of a specific pharmaceutical drug to minimize waste and increase efficiency while maintaining quality and safety standards?
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Feb 14
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Chemical engineering
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31
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How can we optimize the extrusion process for a specific polymer to achieve desired properties in the final product?
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Feb 14
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Polymer Chemistry
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36
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How can we modify the chemical structure of existing antibiotics to make them more effective in combating drug-resistant bacteria?
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Feb 13
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Medicinal Chemistry
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48
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How does the doping level and type of impurity affect the electrical conductivity and performance of silicon in semiconductors used in electronic devices?
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Feb 12
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Materials Chemistry
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10
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How does crystal field theory explain the color of transition metal complexes? Provide an example of a complex and explain how its color can be predicted based on its electronic structure and crystal field splitting.
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Feb 12
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Coordination Chemistry
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38
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What are the coordination chemistry principles involved in chelation therapy, and how do they contribute to the effectiveness of the treatment for heavy metal poisoning?
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Feb 12
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Coordination Chemistry
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70
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How can the synthesis of metal-organic frameworks (MOFs) be optimized to improve their stability and efficiency in gas separation applications?
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Feb 11
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Materials Chemistry
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34
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How can the adhesive and sealing properties of a polymer-based adhesive be enhanced by incorporating different functional groups into the polymer backbone?
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Feb 6
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Polymer Chemistry
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24
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How can students acquire practical laboratory skills and experience in chemistry when they have limited access to laboratory equipment and facilities?
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Feb 5
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Chemical education
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