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How does the size and composition of microplastics affect their toxicity to marine organisms in aquatic environments?
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1 day
ago
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Environmental Chemistry
1
answer
21
views
What is the most efficient method to prepare a high yield of acetylsalicylic acid from a given amount of salicylic acid and acetic anhydride with minimal impurities?
answered
4 days
ago
in
Chemical synthesis
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25
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How does the energy of an excited state differ from that of the ground state in a molecule and what methods can be used in quantum chemical calculations to determine the energy of excited states?
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5 days
ago
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Computational Chemistry
1
answer
35
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How do the electronic and optical properties of conjugated polymers change with varying pi-conjugation lengths?
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6 days
ago
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Quantum Chemistry
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answer
28
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What is the electronegativity difference between a potassium atom (electronegativity value of 0.82) and a chlorine atom (electronegativity value of 3.16)?
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6 days
ago
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Chemical bonding
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16
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What conditions and reagents are necessary for the efficient synthesis of polyvinyl chloride from vinyl chloride monomer, and how do these parameters affect the yield and properties of the resulting polymer?
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6 days
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Chemical synthesis
1
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6
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How is the degradation of proteins regulated in cells, and what is the significance of protein turnover in cellular processes?
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6 days
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BioChemistry
1
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23
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How does the concentration of reactants affect the rate of reaction in the sustainability of a chemical reaction?
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6 days
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Chemical kinetics
1
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33
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How does the carbon footprint of a major city contribute to the increase in atmospheric carbon dioxide and what can be done to reduce this impact?
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Feb 18
in
Environmental Chemistry
1
answer
35
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How does the acidity level of acid mine drainage affect the solubility and toxicity of heavy metals present in contaminated water sources, and what are the best treatment methods to mitigate their impact on the environment?
answered
Feb 17
in
Environmental Chemistry
1
answer
28
views
What is the bond energy required to break a C-C bond and a C-H bond in methane gas (CH4)?
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Feb 13
in
Chemical reactions
1
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48
views
How do industrial projects impact air quality in the surrounding environment and what environmental chemistry principles can be applied to assess and mitigate their potential negative effects?
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Feb 13
in
Environmental Chemistry
1
answer
38
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What are the chemical properties of common oil spills and how do these properties affect the environment and its ecosystems?
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Feb 12
in
Environmental Chemistry
1
answer
44
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How can the synthesis of polyethylene terephthalate from terephthalic acid and ethylene glycol be optimized for maximum yield and purity?
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Feb 11
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Chemical synthesis
1
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56
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How can the sensitivity and selectivity of polymer-based sensors for detecting heavy metal ions be improved?
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Feb 10
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Polymer Chemistry
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10
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How can the production of lubricants be optimized through the selection of raw materials, equipment design, and process parameters in the system design of a lubricant production plant?
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Feb 10
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Chemical engineering
1
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33
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How can the concept of pH be applied to real-world scenarios such as understanding the acidity levels of common food and drinks and their effects on tooth decay?
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Feb 6
in
Chemical education
1
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31
views
How can the chemical structure of existing cardiovascular drugs be modified to improve their efficacy and reduce their side effects?
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Feb 6
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Medicinal Chemistry
1
answer
9
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How can coordination chemistry principles be used to design more efficient chelating agents for the treatment of heavy metal poisoning?
asked
Feb 5
in
Coordination Chemistry
1
answer
69
views
What is the binding energy of a non-covalent interaction between a water molecule and a methane molecule, calculated through quantum chemical calculations?
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Jan 31
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Computational Chemistry
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