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User MargueriteWa
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1
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What is the optimal reaction conditions and catalyst for the synthesis of high molecular weight polypropylene from propylene monomer, and how does altering the reaction conditions affect the properties of the final polymer?
asked
4 days
ago
in
Chemical synthesis
0
votes
1
answer
30
views
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?
asked
6 days
ago
in
Chemical kinetics
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votes
1
answer
22
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What is the coordination sphere of the zinc ion in the active site of carbonic anhydrase enzyme? How does the coordination sphere contribute to the enzyme's catalytic activity in converting carbon dioxide to bicarbonate?
asked
6 days
ago
in
Coordination Chemistry
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votes
1
answer
22
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What is the coordination number and geometry of the complex [Fe(CN)6]^4- ? How does the presence of these ligands affect the electronic properties of the Fe(II) ion in the complex?
asked
6 days
ago
in
Coordination Chemistry
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votes
1
answer
8
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How does the surface morphology of the substrate affect the enhancement of Raman signal in surface-enhanced Raman spectroscopy (SERS)?
asked
Feb 17
in
Surface Chemistry
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votes
1
answer
29
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How does the surface modification of biomaterials affect their biocompatibility and adhesion to cells?
asked
Feb 17
in
Surface Chemistry
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votes
1
answer
41
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How to optimize the production of solvent-based paints and coatings to reduce the use of hazardous chemicals without compromising the quality and performance of the final product?
asked
Feb 14
in
Chemical engineering
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votes
1
answer
37
views
What are the different types of liquid crystals and how do their physical properties vary from each other?
asked
Feb 13
in
Physical Chemistry
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votes
1
answer
34
views
How does the inhibition of enzyme activity affect the regulation of metabolic pathways in the human body?
asked
Feb 13
in
BioChemistry
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votes
1
answer
46
views
How does the presence of excess nitrogen and phosphorus in water bodies contribute to eutrophication, and what chemical processes can be utilized to mitigate this pollution and improve water quality?
asked
Feb 13
in
Environmental Chemistry
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votes
1
answer
54
views
How do different functional groups affect the surface properties, such as adsorption energy and surface coverage, of metal substrates using density functional theory calculations?
asked
Feb 12
in
Computational Chemistry
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votes
1
answer
30
views
How can the photochemical properties of photovoltaic materials be optimized to enhance the efficiency of solar cells?
asked
Feb 10
in
PhotoChemistry
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votes
1
answer
38
views
How can computational techniques such as molecular docking be used to identify potential inhibitors of a specific protein-protein interaction involved in a disease process?
asked
Feb 5
in
Computational Chemistry
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votes
1
answer
33
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How can chemistry educators make the subject more interesting and engaging for students to increase their interest and involvement in chemistry-related courses and careers?
asked
Feb 4
in
Chemical education
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votes
1
answer
56
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Calculate the HOMO-LUMO energy gap of a conjugated polymer with a repeating unit of poly(p-phenylene vinylene) (PPV) using quantum chemical methods (such as Density Functional Theory) and determine whether the polymer is expected to exhibit optoelectronic activity in the visible region of the electromagnetic spectrum.
asked
Jan 23
in
Quantum Chemistry
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votes
1
answer
42
views
According to the theory of classical Test Theory, how is the reliability of a measure measured?
asked
Jan 20
in
Psychology
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votes
1
answer
71
views
Where does the idea of 'existential crisis' come from?
asked
Jan 20
in
Psychology
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votes
1
answer
30
views
According to the psychoanalytic theory, what are the defence mechanisms used to cope with anxiety?
asked
Jan 20
in
Psychology
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1
answer
58
views
Why is the dopamine D2 receptor theory controversial?
asked
Jan 17
in
Psychology
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1
answer
61
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What are the three aspects of intelligence in the triarchic theory?
asked
Jan 17
in
Psychology
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