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1
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How does the size and shape of a nanoparticle affect its behavior in a molecular dynamics simulation? Specifically, how does the radius and aspect ratio of a gold nanoparticle impact its surface area and surface energy?
asked
1 day
ago
in
Computational Chemistry
0
votes
1
answer
24
views
What is the oxidation state of sulfur in SO2?
asked
3 days
ago
in
Chemical reactions
0
votes
1
answer
18
views
What is the optimal simulation time for a Monte Carlo simulation of a liquid crystal system using a specific force field? How does the choice of force field affect the optimal simulation time?
asked
3 days
ago
in
Computational Chemistry
0
votes
1
answer
21
views
What is the optimal ratio of diisocyanate and polyol in the synthesis of polyurethane to achieve the desired mechanical properties and durability of the resulting material?
asked
4 days
ago
in
Chemical synthesis
0
votes
1
answer
15
views
What is the hybridization of the central atom in methane (CH4)?
asked
5 days
ago
in
Chemical bonding
0
votes
1
answer
20
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What is the effect of increasing solvent polarity on the rate of the photochemical reaction of benzophenone in different solvents, such as ethanol, water, and acetone?
asked
6 days
ago
in
PhotoChemistry
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votes
1
answer
26
views
What is the coordination number and geometry of [Fe(H2O)6]2+ complex ion? Give detailed reasons for your answer.
asked
6 days
ago
in
Coordination Chemistry
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votes
1
answer
44
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What is the coordination geometry, metal ion oxidation state, and ligand binding sites of zinc in the active site of carbonic anhydrase? How do these structural features contribute to the enzyme's catalytic activity?
asked
Feb 13
in
Coordination Chemistry
0
votes
1
answer
43
views
How can we design new compounds that target specific viral enzymes or proteins to inhibit the replication of the virus and ultimately treat viral infections, particularly those that have become resistant to current treatments?
asked
Feb 12
in
Medicinal Chemistry
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votes
1
answer
32
views
How can we design a new drug that effectively targets and treats inflammatory bowel diseases, such as Crohn's disease and ulcerative colitis, while minimizing potential side effects and toxicity?
asked
Feb 12
in
Medicinal Chemistry
0
votes
1
answer
23
views
How can the mechanical properties of polyurethane made from diisocyanate and polyol be optimized through varying the reaction conditions such as temperature, pressure, and type of diisocyanate and polyol used?
asked
Feb 10
in
Chemical synthesis
0
votes
1
answer
54
views
Calculate the standard enthalpy change for the reaction 2H2(g) + O2(g) ⟶ 2H2O(g), given that the standard enthalpies of formation of H2(g), O2(g), and H2O(g) are 0 kJ/mol, 0 kJ/mol, and -242 kJ/mol, respectively.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
70
views
What are the key structural and chemical properties that differentiate biomaterials used in tissue engineering applications from those used in other types of medical devices, and how do these properties affect their performance in vivo?
asked
Jan 31
in
Materials Chemistry
0
votes
1
answer
82
views
What is the difference between benzene and toluene in terms of aromaticity and reactivity with electrophiles?
asked
Jan 31
in
Organic Chemistry
0
votes
1
answer
68
views
What is the concentration of lead (Pb) in a drinking water sample using cyclic voltammetry?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
10
views
A chemistry student performed a reaction that produced 2.0 grams of product. The theoretical yield for this reaction is 2.5 grams. Calculate the percent yield for this reaction.
asked
Jan 22
in
Chemical reactions
0
votes
1
answer
68
views
What is the balanced equation for the oxidation of ethanol (C2H5OH) to ethanoic acid (CH3COOH) using acidified potassium dichromate (K2Cr2O7)? How many moles of potassium dichromate are required to completely oxidize 25 mL of 0.1 M ethanol?
asked
Jan 21
in
Organic Chemistry
0
votes
1
answer
34
views
What is the two-factor theory of anxiety?
asked
Jan 20
in
Psychology
0
votes
1
answer
26
views
What is the Whorfian hypothesis?
asked
Jan 20
in
Psychology
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votes
1
answer
23
views
What is object permanence?
asked
Jan 20
in
Psychology
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