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User Marcella96R
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0
votes
1
answer
24
views
What is the relationship between the size of quantum dots and their photochemical properties?
asked
2 days
ago
in
PhotoChemistry
0
votes
1
answer
23
views
What is the predicted geometry and polarity of the inorganic molecule SF6?
asked
5 days
ago
in
Inorganic Chemistry
0
votes
1
answer
33
views
How does the molecular structure of a drug molecule relate to its biological activity, and how can computational chemistry be used to predict and optimize a drug's bioactivity?
asked
6 days
ago
in
Physical Chemistry
0
votes
1
answer
29
views
What is the impact of different sunscreen agents on the photochemical properties of human skin when exposed to UV radiation, and how can we optimize the ingredients to offer the best protection against these harmful rays?
asked
6 days
ago
in
PhotoChemistry
0
votes
1
answer
20
views
How does the dipole moment of water molecule change with the addition of an external electric field as predicted by ab initio calculations?
asked
Feb 19
in
Computational Chemistry
0
votes
1
answer
23
views
What is the coordination geometry of the metal ion in the active site of hemoglobin, and how does this geometry enable the binding and release of oxygen molecules?
asked
Feb 19
in
Coordination Chemistry
0
votes
1
answer
26
views
What is the balanced chemical equation for the single replacement reaction between zinc metal and hydrochloric acid, and what products are formed?
asked
Feb 17
in
Chemical reactions
0
votes
1
answer
33
views
How does temperature affect the rate of an enzyme-catalyzed reaction?
asked
Feb 17
in
BioChemistry
0
votes
1
answer
37
views
What is the mechanism of action of nitrogen dioxide on the respiratory system, and what are the specific health effects of prolonged exposure to this air pollutant?
asked
Feb 14
in
Environmental Chemistry
0
votes
1
answer
34
views
What type of hybrid orbitals are present in the molecule of ethene (C2H4)?
asked
Feb 13
in
Chemical bonding
0
votes
1
answer
37
views
What is the predicted acidity of hydrogen fluoride (HF) and why?
asked
Feb 13
in
Chemical bonding
0
votes
1
answer
40
views
How can we enhance the photochemical properties of lanthanide complexes for more efficient light absorption and energy transfer processes?
asked
Feb 13
in
PhotoChemistry
0
votes
1
answer
10
views
How can we design a polymer-based smart material that can change its shape in response to a specific stimulus, such as temperature or pH?
asked
Feb 12
in
Polymer Chemistry
0
votes
1
answer
29
views
How can the efficiency of solar cells be improved by synthesizing and characterizing new materials with optimal bandgap and photovoltaic properties?
asked
Feb 7
in
Materials Chemistry
0
votes
1
answer
61
views
A chemical mixture containing 30% ethanol and 70% water needs to be separated using a distillation column. The feed rate is 1000 kg/hr and the desired purity for both products is 99%. The distillation column has 20 theoretical trays, and the reflux ratio is 2.5. Determine the number of trays required to achieve the desired purity for both products.
asked
Jan 22
in
Chemical engineering
0
votes
1
answer
74
views
Where does the cognitive interview typically occur?
asked
Jan 20
in
Psychology
0
votes
1
answer
40
views
According to Kahneman and Tversky's prospect theory, how do people perceive the value of gains and losses?
asked
Jan 20
in
Psychology
0
votes
1
answer
44
views
Why is language use important in promoting mental health?
asked
Jan 20
in
Psychology
0
votes
1
answer
33
views
What is the methodological criticism of perceptual illusions?
asked
Jan 20
in
Psychology
0
votes
1
answer
29
views
What is the main focus of behaviourism?
asked
Jan 16
in
Psychology
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