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1
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How does the size and shape of a metallic nanoparticle affect its surface properties, such as reactivity with molecules, when analyzed using density functional theory calculations?
asked
1 day
ago
in
Computational Chemistry
0
votes
1
answer
19
views
What is the effect of nanoparticle size on their optical properties? Specifically, how does changing the size of silver nanoparticles affect their absorption and scattering of light in the visible spectrum?
asked
3 days
ago
in
Physical Chemistry
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votes
1
answer
26
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What is the hybridization of the carbon atom in CH4 methane?
asked
5 days
ago
in
Chemical bonding
0
votes
1
answer
28
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How does the coordination of metal ions in metalloenzymes and metalloproteins affect their catalytic activity? Provide specific examples and describe the mechanisms by which the coordination environment influences the enzymatic function.
asked
6 days
ago
in
Coordination Chemistry
0
votes
1
answer
5
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How does the concentration and type of pesticide residue found in commonly consumed fruits and vegetables vary across different regions of the world, and how does this impact human health in those areas?
asked
6 days
ago
in
Environmental Chemistry
0
votes
1
answer
37
views
Identify the type of solid (ionic, covalent, or metallic) for the compound ZnO. Provide a detailed explanation and evidence to support your answer.
asked
6 days
ago
in
Inorganic Chemistry
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votes
1
answer
34
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How does the choice of exchange-correlation functional affect the accuracy of Density Functional Theory calculations in predicting the energy barriers of catalytic reactions on transition metal surfaces?
asked
6 days
ago
in
Computational Chemistry
0
votes
1
answer
27
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What is the effect of pH on the adsorption behavior of bovine serum albumin (BSA) on a silica surface using quartz crystal microbalance (QCM) measurement technique?
asked
Feb 17
in
Surface Chemistry
0
votes
1
answer
23
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What is the impact of pH and lipophilicity on the absorption and distribution of a specific drug in the human body?
asked
Feb 17
in
Medicinal Chemistry
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votes
1
answer
29
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How does temperature affect the properties of different polymer systems? Use Monte Carlo simulations to explore the behavior of different polymers at varying temperatures, and explain the differences in their behavior.
asked
Feb 17
in
Computational Chemistry
0
votes
1
answer
34
views
What are the steps involved in a radical polymerization reaction and how do they contribute to the formation of high molecular weight polymers?
asked
Feb 14
in
Organic Chemistry
0
votes
1
answer
36
views
How can the synthesis of zeolites be improved to produce materials with greater efficiency and selectivity for specific applications?
asked
Feb 13
in
Materials Chemistry
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votes
1
answer
42
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How does the electron transport behave in nanoscale systems with different molecule configurations?
asked
Feb 13
in
Quantum Chemistry
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votes
1
answer
44
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How can the swelling properties of polymer-based superabsorbent materials be optimized for better performance in applications such as agriculture or disposable hygiene products?
asked
Feb 11
in
Polymer Chemistry
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votes
1
answer
31
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How can chemical engineers design an efficient system for the recovery of valuable metals such as gold, silver, copper, and platinum from electronic waste while minimizing the generation of harmful pollutants?
asked
Feb 4
in
Chemical engineering
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votes
1
answer
60
views
Find the standard enthalpy change for the formation reaction of methane gas (CH4) from its elements in their standard states, given the following standard enthalpy of formation values: ΔHf°[CH4] = -74.81 kJ/mol ΔHf°[H2] = 0 kJ/mol ΔHf°[C(graphite)] = 0 kJ/mol
asked
Feb 4
in
Chemical thermodynamics
0
votes
1
answer
66
views
What is the type of bonding present in the compound aluminum oxide (Al2O3)? Is it ionic, covalent, or metallic? Please provide a detailed explanation.
asked
Jan 31
in
Inorganic Chemistry
0
votes
1
answer
59
views
What is the structural formula of the unknown organic compound based on the IR and NMR spectroscopic data?
asked
Jan 21
in
Organic Chemistry
0
votes
1
answer
43
views
When can stereotypes be useful?
asked
Jan 20
in
Psychology
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votes
1
answer
34
views
Why might someone choose existential-humanistic therapy?
asked
Jan 20
in
Psychology
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