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1
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13
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How does the size and shape of gold nanoparticles affect their optical properties?
asked
23 hours
ago
in
Physical Chemistry
0
votes
1
answer
14
views
What is the optimum temperature and pressure conditions required for the efficient synthesis of polyvinyl chloride from vinyl chloride monomer?
asked
3 days
ago
in
Chemical synthesis
0
votes
1
answer
23
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What is the impact of different reactant orientations on the reaction rate between X and Y molecules in a gas-phase reaction under controlled temperature and pressure conditions?
asked
5 days
ago
in
Chemical kinetics
0
votes
1
answer
6
views
How does the Calvin Cycle in photosynthesis contribute to carbon fixation, and what is the role of enzymes such as ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO) in this process?
asked
Feb 18
in
BioChemistry
0
votes
1
answer
26
views
How does the calculation of excited electronic states enable the prediction of optical properties such as absorption and emission spectra in a particular chemical compound?
asked
Feb 18
in
Quantum Chemistry
0
votes
1
answer
37
views
What is the role of pharmacogenetics in predicting drug response and how can it contribute to the development of personalized medicine for better treatment outcomes?
asked
Feb 14
in
Medicinal Chemistry
0
votes
1
answer
40
views
What is the role of metal ions in the active sites of metalloenzymes and metalloproteins, and how do coordination chemistry principles contribute to our understanding of their reactivity and function?
asked
Feb 13
in
Coordination Chemistry
0
votes
1
answer
45
views
How can the production process of a food additive be modified to increase its purity and yield while minimizing the use of energy and resources?
asked
Feb 10
in
Chemical engineering
0
votes
1
answer
39
views
How can the presence of heavy metals such as lead and mercury be detected and quantified in soil and water samples using analytical chemistry techniques, and what are the potential risks and impacts of these contaminants on human health and the environment?
asked
Feb 10
in
Environmental Chemistry
0
votes
1
answer
31
views
How can the coordination chemistry principles of chelation therapy be applied to treat heavy metal poisoning? Provide a detailed explanation of the chelation process including the types of ligands used, the formation of stable complexes, and the mechanism of removing the toxic metals from the body.
asked
Feb 6
in
Coordination Chemistry
0
votes
1
answer
27
views
How can photosensitizers be optimized to achieve maximum efficiency in driving desired photochemical reactions?
asked
Feb 5
in
PhotoChemistry
0
votes
1
answer
67
views
Design a distillation column that can effectively separate a mixture of ethanol and water with a composition of 60% ethanol and 40% water. The distillation column should have a reflux ratio of 1.5 and a total of 10 theoretical stages. Determine the operating conditions (temperature, pressure, and feed rate) needed to achieve a distillate product with a composition of 95% ethanol and a bottoms product with a composition of 5% ethanol.
asked
Feb 3
in
Chemical engineering
0
votes
1
answer
58
views
What is the effect of changes in pH on the secondary structure of proteins?
asked
Jan 31
in
BioChemistry
0
votes
1
answer
54
views
Calculate the heat of hydration of CuSO4.5H2O given that the enthalpy change for the reaction CuSO4.5H2O(s) -> CuSO4(s) + 5H2O(l) is -90.6 kJ/mol. Assume that the specific heat of the hydrated salt is 4.2 J/g*K and the density of the solution is 1.05 g/mL.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
49
views
When was the study on exposure therapy for anxiety disorders by Wolpe conducted?
asked
Jan 20
in
Psychology
0
votes
1
answer
65
views
Why is random sampling important?
asked
Jan 20
in
Psychology
0
votes
1
answer
74
views
What is the evolutionary criticism of the ponzo illusion?
asked
Jan 20
in
Psychology
0
votes
0
answers
8
views
When did the Ben Clark Foundation release their report on the mental health of Fly-in-fly-out workers?
asked
Jan 17
in
Psychology
0
votes
1
answer
61
views
Where does pragmatism draw its philosophical roots from?
asked
Jan 16
in
Psychology
0
votes
1
answer
27
views
What is the difference between a 'topic guide' and an 'interview guide' in discursive psychology?
asked
Jan 16
in
Psychology
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