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1
answer
22
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How do changes in the size and shape of nanoparticles affect their electronic and optical properties and how can these properties be calculated using quantum chemistry methods?
asked
1 day
ago
in
Quantum Chemistry
0
votes
1
answer
31
views
What is the geometry and polarity of the molecule SiCl4?
asked
5 days
ago
in
Inorganic Chemistry
0
votes
1
answer
23
views
What is the mechanism of E1 reaction and how is it different from E2 reaction? Provide examples of molecules that undergo each type of elimination reaction.
asked
6 days
ago
in
Organic Chemistry
0
votes
1
answer
36
views
How does the design of self-assembled supramolecular structures impact their stability and functionality? What are the key factors that influence the self-assembly of supramolecular architectures and how can they be optimized for specific applications?
asked
6 days
ago
in
Physical Chemistry
0
votes
1
answer
22
views
How does the concentration of microplastics in seawater affect the survival and growth of marine organisms, and what chemical processes are responsible for these impacts?
asked
6 days
ago
in
Environmental Chemistry
0
votes
1
answer
25
views
How does the binding of metal ions to metalloenzymes and metalloproteins affect their function and activity in biological systems?
asked
Feb 17
in
Coordination Chemistry
0
votes
1
answer
28
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What is the balanced chemical equation for the double replacement reaction between sodium chloride and silver nitrate, and what are the spectator ions in the reaction?
asked
Feb 17
in
Chemical reactions
0
votes
1
answer
28
views
How does the surface modification of polymers affect the adhesion properties of the material?
asked
Feb 17
in
Surface Chemistry
0
votes
1
answer
32
views
How do nitrogen and phosphorus pollution affect the biochemical oxygen demand (BOD) levels in water bodies and what are the chemical processes involved in their removal from polluted water?
asked
Feb 14
in
Environmental Chemistry
0
votes
1
answer
27
views
What is the role of metal ions such as zinc, copper, and iron in the active sites of metalloenzymes and metalloproteins? How does the coordination chemistry of these metal ions affect their function in catalyzing biological reactions?
asked
Feb 13
in
Coordination Chemistry
0
votes
1
answer
10
views
How can we design a new drug that effectively targets a specific inflammatory pathway while minimizing side effects and toxicity?
asked
Feb 12
in
Medicinal Chemistry
0
votes
1
answer
48
views
How can the production process of fragrances be improved to increase yield and reduce waste using chemical engineering principles?
asked
Feb 10
in
Chemical engineering
0
votes
1
answer
42
views
How can the photochemical properties of bioluminescent organisms be utilized in the development of new biomaterials for medical applications?
asked
Feb 10
in
PhotoChemistry
0
votes
1
answer
31
views
How can the photochemical degradation of pollutants in the environment be optimized using advanced oxidation processes and what are the mechanisms involved?
asked
Feb 10
in
PhotoChemistry
0
votes
1
answer
31
views
How can the design of a system for the production of cosmetics be optimized to improve the efficiency of the chemical reactions, reduce waste generation, and maximize the product yield?
asked
Feb 7
in
Chemical engineering
0
votes
1
answer
64
views
What is the activation energy and reaction rate constant for the Cl + CH4 -> HCl + CH3 reaction at 298 K, calculated using quantum chemical methods?
asked
Jan 31
in
Computational Chemistry
0
votes
1
answer
65
views
What is the structure of an unknown compound with molecular formula C5H10O2 that exhibits singlets in its 1H-NMR spectrum at δ 1.1, 2.3 and 3.7 ppm and a doublet at δ 2.9 ppm?
asked
Jan 31
in
Analytical Chemistry
0
votes
1
answer
102
views
What is the most effective and eco-friendly method to remediate a site contaminated with heavy metals such as mercury, lead, and cadmium? Conduct a literature review and compare the efficiency, feasibility, and sustainability of different remediation techniques such as phytoremediation, bioremediation, chemical immobilization, and electrokinetic remediation. Additionally, evaluate the long-term effects of each method on the environment and human health.
asked
Jan 31
in
Environmental Chemistry
0
votes
1
answer
12
views
Calculate the cell potential at standard conditions for the electrochemical reaction: Cu(s) + 2Ag+(aq) -> 2Ag(s) + Cu2+(aq) given that the standard reduction potentials for Cu2+(aq)/Cu(s) and Ag+(aq)/Ag(s) are +0.34 V and +0.80 V, respectively.
asked
Jan 23
in
ElectroChemistry
0
votes
1
answer
53
views
What is the solubility product constant of calcium hydroxide in water at 25°C?
asked
Jan 21
in
Inorganic Chemistry
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