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1
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How do the photochemical properties of quantum dots differ from traditional bulk semiconductors, and what makes them a promising candidate for applications in fields such as solar cells, medical imaging, and quantum computing?
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
19
views
What is the optimal stoichiometric ratio of adipic acid and hexamethylenediamine for the synthesis of nylon-6,6 and how does varying this ratio affect the yield and properties of the final product?
asked
3 days
ago
in
Chemical synthesis
0
votes
1
answer
25
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What is the effect of the molecular weight and polydispersity of a polymer binder on the performance of a polymer-based coating in terms of hardness, flexibility, and adhesion to a substrate?
asked
4 days
ago
in
Polymer Chemistry
0
votes
1
answer
13
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What is the effect of varying the concentration of reactants on the reaction rate and reaction yield of the iodination of acetone?
asked
4 days
ago
in
Chemical kinetics
0
votes
1
answer
26
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How does the concentration of reactants affect the reaction rate and ultimately the yield of a chemical reaction, and what is the optimal concentration range to maximize yield in the reaction between sodium thiosulfate and hydrochloric acid?
asked
6 days
ago
in
Chemical kinetics
0
votes
1
answer
26
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How does the choice of exchange-correlation functional affect the accuracy of predicting reaction energetics in density functional theory calculations of catalytic reactions?
asked
6 days
ago
in
Computational Chemistry
0
votes
1
answer
28
views
What is the bond dissociation energy of the carbon-hydrogen bond in methane (CH4), given that the enthalpy change for the reaction CH4(g) → C(g) + 4H(g) is +1665 kJ/mol?
asked
Feb 18
in
Chemical bonding
0
votes
1
answer
40
views
What is the volume of 0.2 M hydrochloric acid that will completely react with 25 ml of 0.1 M sodium hydroxide in a neutralization reaction?
asked
Feb 13
in
Chemical reactions
0
votes
1
answer
45
views
How does the metabolic pathway of glycolysis regulate ATP production in cells?
asked
Feb 13
in
BioChemistry
0
votes
1
answer
41
views
How can the synthesis of polyethylene from ethylene monomer be optimized to produce a higher molecular weight polymer?
asked
Feb 11
in
Chemical synthesis
0
votes
1
answer
50
views
How can the surface properties of a biodegradable polymer scaffold be modified to enhance its biocompatibility with human cells for more efficient tissue engineering?
asked
Feb 11
in
Surface Chemistry
0
votes
1
answer
33
views
How can the properties of semiconductors be tailored to enhance the efficiency and performance of electronic devices, such as solar cells and transistors?
asked
Feb 10
in
Materials Chemistry
0
votes
1
answer
33
views
How can the prediction of catalytic activity and selectivity of a chemical reaction be improved using quantum chemical calculations and simulations?
asked
Feb 10
in
Quantum Chemistry
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votes
1
answer
42
views
How can practical applications of chemistry be integrated into the curriculum to better prepare students for real-world applications in the field?
asked
Feb 5
in
Chemical education
0
votes
1
answer
59
views
Identify and draw the isomers of C4H10O and explain the type of isomerism exhibited by each isomer.
asked
Jan 31
in
Chemical bonding
0
votes
1
answer
78
views
How does the size of a gold nanoparticle affect its stability and interaction with water molecules? Perform a molecular dynamics simulation using appropriate software to investigate the behavior of gold nanoparticles of varying sizes in water. Analyze your results to determine the correlation between nanoparticle size and stability, and provide an explanation for any observed trends.
asked
Jan 31
in
Computational Chemistry
0
votes
1
answer
73
views
How can X-ray diffraction analysis be used to determine the composition and crystal structure of a mineral sample?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
51
views
How can UV-Vis spectroscopy be used to identify the presence of specific functional groups such as carbonyl, alcohol, or amine groups in a given compound?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
48
views
Calculate the amount of heat required to melt 50 grams of ice at 0 C, taking the enthalpy of fusion to be 6.01 kJ/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
33
views
Why is it important to use person-first language?
asked
Jan 20
in
Psychology
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