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0
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1
answer
21
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How does the size and shape of a graphene nanoribbon affect its electronic band structure and optical properties, and how can these properties be optimized for potential use in electronic or photonic applications?
asked
3 days
ago
in
Quantum Chemistry
0
votes
1
answer
26
views
How does the presence of a catalyst affect the rate of a chemical reaction and can this effect be quantified and measured accurately in the laboratory?
asked
5 days
ago
in
Chemical kinetics
0
votes
1
answer
24
views
Identify all the possible resonance structures for the nitrate ion (NO3-) and illustrate the delocalization of electrons using curved arrows. How do these resonance structures contribute to the stability of the molecule?
asked
6 days
ago
in
Chemical bonding
0
votes
1
answer
27
views
How does the crystallization temperature affect the morphology of polyethylene?
asked
Feb 19
in
Polymer Chemistry
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votes
1
answer
25
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What is the best method for preparing 2-chloro-4-nitroaniline from aniline and chlorine gas, and what are the optimal reaction conditions (temperature, pressure, reaction time, etc.) to obtain the highest yield of the desired product?
asked
Feb 17
in
Chemical synthesis
0
votes
1
answer
29
views
How do the molecular dynamics simulations of protein-ligand interactions provide insights into the binding mechanism and affinity of different ligands to a specific protein target?
asked
Feb 13
in
Computational Chemistry
0
votes
1
answer
41
views
What is the role of metal ions in the active sites of metalloenzymes and metalloproteins, and how do coordination chemistry principles contribute to our understanding of their reactivity and function?
asked
Feb 13
in
Coordination Chemistry
0
votes
1
answer
40
views
What is the role of hydrogen bonding between complementary base pairs in stabilizing the structure of DNA, and how does this relate to the concept of base pairing specificity?
asked
Feb 13
in
BioChemistry
0
votes
1
answer
61
views
How can the synthesis method of quantum dots be modified to improve their quantum yield and decrease their toxicity for potential applications in biomedicine?
asked
Feb 11
in
Materials Chemistry
0
votes
1
answer
37
views
How can chemistry teachers provide better support and accommodations for students with learning disabilities to effectively learn and understand chemistry concepts and apply them in laboratory experiments?
asked
Feb 6
in
Chemical education
0
votes
1
answer
65
views
How do the carbohydrate-protein interactions regulate the function of enzymes involved in sugar metabolism?
asked
Jan 31
in
BioChemistry
0
votes
1
answer
74
views
How does alternative splicing of pre-mRNA lead to the formation of multiple protein isoforms and what role does it play in cellular processes?
asked
Jan 31
in
BioChemistry
0
votes
1
answer
52
views
Calculate the energy required to break all the bonds in 1 mole of methane gas (CH4) at standard conditions, given that the bond energies of C-H and C-C bonds are 413 kJ/mol and 348 kJ/mol, respectively. Then, calculate the total energy released or absorbed during the combustion of 1 mole of methane gas with oxygen gas to form carbon dioxide gas and water vapor.
asked
Jan 23
in
Chemical reactions
0
votes
1
answer
70
views
A chemistry student needs to prepare a buffer solution with a pH of 5.2 using acetic acid (CH3COOH) and sodium acetate (NaC2H3O2). The student has 10 mL of 0.15 M acetic acid and 15 mL of 0.20 M sodium acetate. What volume of water should the student add to make the desired buffer solution?
asked
Jan 22
in
Chemical reactions
0
votes
1
answer
80
views
What is the product obtained when 1,2-dimethylcyclohexane is subjected to a Wagner-Meerwein rearrangement under acidic conditions?
asked
Jan 21
in
Organic Chemistry
0
votes
1
answer
44
views
What is the implications of the cognitive theory on information processing?
asked
Jan 20
in
Psychology
0
votes
1
answer
13
views
Where do holistic theories argue that perception occurs?
asked
Jan 17
in
Psychology
+1
vote
1
answer
10
views
What is the identity status of an individual who has explored various options and has made a commitment?
asked
Jan 17
in
Psychology
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votes
1
answer
52
views
How can the cognitive-mediational theory be used to explain emotional experiences?
asked
Jan 16
in
Psychology
0
votes
1
answer
35
views
When evaluating organisational psychology theories, what are the potential biases that need to be considered?
asked
Jan 16
in
Psychology
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