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29
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How do the properties of metal alloys used in aerospace applications differ from those used in other industries, and how can these materials be optimized for specific aerospace applications?
asked
Feb 22
in
Materials Chemistry
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votes
1
answer
30
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How does the presence of chiral centers in a molecule affect its photochemical properties, and what is the mechanism behind this effect?
asked
Feb 22
in
PhotoChemistry
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votes
1
answer
30
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What is the coordination number of the central metal ion in the complex [Fe(CN)6]3-? Explain the reasoning behind the determination of the coordination number in this complex.
asked
Feb 19
in
Coordination Chemistry
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1
answer
37
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How does the color of a dye or pigment change when exposed to different wavelengths of light, and what are the underlying photochemical mechanisms?
asked
Feb 18
in
PhotoChemistry
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votes
1
answer
38
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What is the total surface area of a sample of activated carbon with a mass of 0.5 g, assuming a monolayer adsorption capacity of 80 mg/g and a BET surface area of 900 m²/g?
asked
Feb 18
in
Surface Chemistry
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votes
1
answer
39
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How does the concentration and nature of the protein affect its adsorption on solid surfaces? Provide experimental evidence to support your answer.
asked
Feb 17
in
Surface Chemistry
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votes
1
answer
35
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How does the absorption of light by a molecule or material affect its electronic structure and subsequently its chemical and physical properties?
asked
Feb 17
in
Quantum Chemistry
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votes
1
answer
39
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How does the absorption of light affect the photochromic properties of materials? Specifically, what are the changes in the molecular structure and color of a photochromic material upon exposure to UV light, and what factors influence these changes?
asked
Feb 17
in
PhotoChemistry
0
votes
1
answer
39
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How can we optimize the drug delivery system for a protein-based drug to improve its efficacy and minimize adverse effects on the human body?
asked
Feb 14
in
Medicinal Chemistry
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votes
1
answer
33
views
How does the nitrogen and phosphorus pollution in a water body affect the growth of harmful algal blooms and what is the mechanism behind it?
asked
Feb 14
in
Environmental Chemistry
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votes
1
answer
54
views
How does inadequate training for chemistry teachers affect students' ability to understand chemistry and perform well in the subject?
asked
Feb 13
in
Chemical education
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votes
1
answer
78
views
How can the selectivity of the oxidation of hydrocarbons on metal surfaces be optimized for maximum yield and minimal side reactions in the production of high-value chemicals, such as aromatics or oxygenates?
asked
Feb 10
in
Surface Chemistry
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votes
1
answer
38
views
How can the electrical conductivity and stability of graphene be improved for practical application in electronic devices?
asked
Feb 7
in
Materials Chemistry
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votes
1
answer
37
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How can the electronic and magnetic properties of metal-organic frameworks (MOFs) be predicted using quantum chemistry methods such as density functional theory (DFT)?
asked
Feb 7
in
Quantum Chemistry
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votes
1
answer
40
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How can the efficiency of the photochemical degradation of pollutants in the environment be improved through the use of catalysts and enhancing the absorption of light? Provide specific examples and mechanisms involved in the process.
asked
Feb 7
in
PhotoChemistry
0
votes
1
answer
34
views
How can chemistry students find and secure internships or job opportunities despite the limited availability in their area?
asked
Feb 4
in
Chemical education
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votes
1
answer
76
views
What is the rate constant for the reaction between methane and chlorine gas to form methyl chloride and HCl in the gas phase, at a temperature of 600 K and a pressure of 1 atm, using Monte Carlo simulations?
asked
Jan 31
in
Computational Chemistry
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votes
1
answer
58
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How can we determine the quantity and type of impurities present in a particular sample using liquid chromatography?
asked
Jan 29
in
Analytical Chemistry
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votes
1
answer
88
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Calculate the bond order of the molecule NO using molecular orbital theory, given that the nitrogen atom has four valence electrons and the oxygen atom has six valence electrons.
asked
Jan 23
in
Chemical bonding
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1
answer
61
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Calculate the bond order and bond length of the N-O bond in nitric oxide (NO) using molecular orbital theory.
asked
Jan 23
in
Inorganic Chemistry
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