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User HIELucille73
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Answers by HIELucille73
0
votes
30
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What is the mechanism that governs the photochemical stability of quantum dots, and how can this be optimized for potential use in optoelectronics and biomedical applications?
answered
Feb 22
in
PhotoChemistry
0
votes
37
views
What is the Faraday constant, and how can it be calculated using electrochemical data? Provide a step-by-step calculation to determine the value of the Faraday constant from the data collected during an electrochemical experiment.
answered
Feb 20
in
ElectroChemistry
0
votes
39
views
What is the critical micelle concentration of sodium dodecyl sulfate in water at room temperature and how does the addition of an electrolyte affect the critical micelle concentration?
answered
Feb 19
in
Surface Chemistry
0
votes
36
views
What is the balanced chemical equation for the preparation of 2,4-dinitrophenol from phenol and nitric acid, and what mass of nitric acid (in grams) is required to produce 25 grams of 2,4-dinitrophenol with a 90% yield?
answered
Feb 17
in
Chemical synthesis
0
votes
30
views
How does the addition of an electrolyte affect the stability of a colloidal suspension and what is the mechanism behind coagulation of the colloidal particles in the presence of an electrolyte?
answered
Feb 17
in
Surface Chemistry
0
votes
37
views
What surface modification technique can be utilized to enhance the biocompatibility of titanium implants for bone tissue engineering applications?
answered
Feb 14
in
Surface Chemistry
0
votes
28
views
How do metalloenzymes and metalloproteins interact with metal ions in the coordination sphere and what are the factors that influence their reactivity?
answered
Feb 13
in
Coordination Chemistry
0
votes
54
views
What are the chemical constituents present in landfill leachate and how do they impact the quality of groundwater in the surrounding area?
answered
Feb 13
in
Environmental Chemistry
0
votes
61
views
What is the effect of doping with various elements on the critical temperature and critical magnetic fields in superconducting materials?
answered
Feb 12
in
Materials Chemistry
0
votes
33
views
How can the design and optimization of a continuous flow process for the production of surfactants be achieved, taking into consideration the selection of raw materials, reactor and separation unit design, control system, and economic feasibility?
answered
Feb 6
in
Chemical engineering
0
votes
33
views
How can inadequate training for chemistry teachers affect the quality of education in student learning and performance in chemistry?
answered
Feb 5
in
Chemical education
0
votes
100
views
How does the pH level of water affected by acid mine drainage in a particular region, and what are the chemical reactions that occur during this process?
answered
Jan 30
in
Environmental Chemistry
0
votes
69
views
Calculate the enthalpy change of solution for 2.0 moles of sodium chloride in 500.0 mL of water at 25°C. The molar heat of solution of sodium chloride is -3.91 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
75
views
Calculate the corrosion potential of iron in an acidic environment with a pH of 3.5, given that the half-reaction for the reduction of Fe3+ to Fe2+ is Fe3+ + e- → Fe2+ and the standard reduction potential (E°) for this half-reaction is +0.771 V.
answered
Jan 23
in
ElectroChemistry
0
votes
48
views
Where can individuals find medical psychologists?
answered
Jan 20
in
Psychology
0
votes
104
views
When did the DSM-III introduce the multiaxial system?
answered
Jan 20
in
Psychology
0
votes
116
views
Compare and contrast constructivism and behaviourism in understanding cognitive development.
answered
Jan 17
in
Psychology
0
votes
39
views
What is the definition of character strengths?
answered
Jan 15
in
Psychology
0
votes
36
views
What is the evidence for the social interactionist theory in language development?
answered
Jan 15
in
Psychology
0
votes
38
views
Please compare and contrast the biological and cognitive perspectives on anxiety disorders.
answered
Jan 15
in
Psychology
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