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0
votes
33
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How do the photochemical properties of dyes and pigments affect their ability to absorb and reflect light in textile applications?
answered
Feb 22
in
PhotoChemistry
0
votes
33
views
What are the most effective metal catalysts for the selective oxidation of alkanes and how do the surface properties of the metal affect the catalytic activity and selectivity in the reaction?
answered
Feb 21
in
Surface Chemistry
0
votes
32
views
What is the hybridization of oxygen in the molecule H2O?
answered
Feb 20
in
Chemical bonding
0
votes
25
views
What is the effect of temperature on the rate of photochemical reactions that involve the isomerization of a molecule from the cis- to trans- configuration?
answered
Feb 20
in
PhotoChemistry
0
votes
23
views
How does the coordination number affect the isomerism in coordination compounds? Provide a detailed explanation with appropriate examples.
answered
Feb 19
in
Coordination Chemistry
0
votes
28
views
How does the addition of a reaction intermediate to a chemical reaction affect the rate of the reaction and what is the mechanism behind it?
answered
Feb 17
in
Chemical kinetics
0
votes
74
views
What is the mechanism of a Hofmann Elimination reaction and how does it differ from a regular E2 Elimination reaction? Provide a detailed explanation and examples of each reaction.
answered
Feb 13
in
Organic Chemistry
0
votes
37
views
How can the properties of different chemicals be optimized for the efficient production of a specific cosmetic product using a designed system?
answered
Feb 10
in
Chemical engineering
0
votes
42
views
How can the magnetic properties of a material such as iron oxide nanoparticles be optimized for use in high-density data storage applications?
answered
Feb 7
in
Materials Chemistry
0
votes
37
views
How can the chemical properties of natural compounds found in traditional medicines for gastrointestinal diseases be optimized or modified through synthetic chemical approaches to improve their therapeutic efficacy, specificity, and safety?
answered
Feb 6
in
Medicinal Chemistry
0
votes
44
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How can computational chemistry and molecular modeling methods be used to predict the properties of a new drug molecule, such as its solubility, stability, and effectiveness in treating a specific disease? Specifically, how do molecular optimization techniques like ligand docking and quantum chemical calculations aid in the design and development of safe and efficacious drugs?
answered
Feb 5
in
Physical Chemistry
0
votes
93
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Calculate the standard enthalpy change for the reaction: 2H2(g) + O2(g) --> 2H2O(l)Given the following enthalpies of formation: ∆Hf°(H2O, l) = -285.8 kJ/mol ∆Hf°(H2, g) = -241.8 kJ/mol ∆Hf°(O2, g) = 0 kJ/mol
answered
Feb 3
in
Chemical thermodynamics
0
votes
81
views
What is the chemical structure of the unknown compound X, which exhibits the NMR spectrum below: - a singlet at δ 1.2 ppm (integral = 3H)- a triplet at δ 1.4 ppm (integral = 2H)- a quartet at δ 2.0 ppm (integral = 2H)- a doublet at δ 2.5 ppm (integral = 3H)- a singlet at δ 7.3 ppm (integral = 1H)
answered
Jan 30
in
Analytical Chemistry
0
votes
19
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Calculate the anodic Tafel slope for a reaction with an exchange current density of 2x10^-4 A cm^-2 if the current density at an anodic potential of 0.1V vs the standard hydrogen electrode (SHE) is 0.5 mA cm^-2 and at 0.2V vs SHE is 2.0 mA cm^-2. Assume a linear relationship between current density and overpotential.
answered
Jan 23
in
ElectroChemistry
0
votes
87
views
What is the zone of proximal development by Lev Vygotsky?
answered
Jan 20
in
Psychology
0
votes
93
views
When was the Monty Hall problem introduced?
answered
Jan 20
in
Psychology
0
votes
43
views
What is the key finding of the Milgram obedience experiment?
answered
Jan 20
in
Psychology
0
votes
99
views
What is the in-group bias?
answered
Jan 17
in
Psychology
0
votes
100
views
When might older adults experience 'despair'?
answered
Jan 17
in
Psychology
0
votes
112
views
Why is the expressed emotion phenomenon relevant?
answered
Jan 17
in
Psychology
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