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What is the optimal temperature and catalyst used for the synthesis of polyethylene oxide from ethylene oxide monomer, and how do these factors affect the yield and molecular weight of the polymer?
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4 days
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Chemical synthesis
1
answer
21
views
What is the most efficient method to produce adhesive materials with improved bonding properties while minimizing energy consumption and reducing waste in the production process?
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4 days
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Chemical engineering
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4
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How does the molecular weight of a solute impact its diffusion rate in a solvent? Provide an experimental design and data analysis to support your answer.
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4 days
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Physical Chemistry
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21
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How does the molecular structure of a surfactant affect its ability to lower surface tension in a solution?
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4 days
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Surface Chemistry
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24
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How does the mechanism of adsorption differ between Langmuir and Freundlich isotherms in the context of heterogeneous catalysis?
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5 days
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Surface Chemistry
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22
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How does the excitation mechanism of a molecule affect its electronic absorption spectrum, and how can ab initio calculations be used to predict the excited state dynamics of this molecule?
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5 days
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Computational Chemistry
1
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19
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How does the concentration of reactants affect the reaction rate and efficiency in a chemical reaction?
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6 days
ago
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Chemical kinetics
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17
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What is the balanced chemical equation for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas? Calculate the theoretical yield of the product if 10 g of nitrobenzene and 20 g of chlorine gas are used in the reaction.
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Feb 17
in
Chemical synthesis
1
answer
37
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How do plants assimilate ammonium ions into amino acids? Provide a detailed explanation of the metabolic process and enzymes involved in this process.
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Feb 14
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BioChemistry
1
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29
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What is the net number of ATP molecules generated through oxidative phosphorylation in the Citric Acid Cycle, starting with one molecule of acetyl-CoA?
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Feb 14
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BioChemistry
1
answer
37
views
What is the chemical composition of microplastics found in marine environments, and how do their chemical properties affect their interactions with marine organisms and ecosystems?
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Feb 13
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Environmental Chemistry
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32
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What is the rate constant of a second-order reaction if its concentration is 0.5 M and its half-life is 5 minutes?
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Feb 13
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Chemical reactions
1
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9
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How can we design a new cancer drug that targets cancer cells while minimizing harm to healthy cells?
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Feb 12
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Medicinal Chemistry
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42
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How can we control the emission wavelength of quantum dots by varying their size and composition?
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Feb 12
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PhotoChemistry
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33
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How do Chlorofluorocarbons (CFCs) contribute to the depletion of ozone in the atmosphere, and what chemical reactions lead to the breakdown of ozone?
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Feb 12
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Environmental Chemistry
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27
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How can the pharmacological activity of natural products for medicinal use be investigated and optimized for therapeutic applications through chemical modifications and derivatization?
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Feb 10
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Medicinal Chemistry
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36
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How can the knowledge of structure-activity relationship be utilized in the design and development of new drugs to treat cardiovascular diseases, such as heart failure, hypertension and angina pectoris?
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Feb 7
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Medicinal Chemistry
1
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35
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How can the conductivity of solid-state polymer electrolytes be improved for use in high-performance batteries?
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Feb 6
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Polymer Chemistry
1
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31
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How can practical applications of chemistry be incorporated into the classroom to enhance the understanding and appreciation of the subject among students? Provide specific examples and explain how they can be implemented.
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Feb 5
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Chemical education
1
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11
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How can computational studies of supramolecular chemistry be used to design more efficient drug delivery systems?
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Feb 5
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Computational Chemistry
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