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User AdeleChauvel
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What is the most efficient method of preparing 2-chloro-4-nitroaniline from aniline and chlorine gas? How can the purity of the final product be determined and what are the potential hazards associated with this synthesis?
answered
6 days
ago
in
Chemical synthesis
0
votes
24
views
What is the Faraday constant and how can it be calculated from the electrolysis of copper sulfate using a current of 2.5 amps for 2 hours?
answered
Feb 20
in
ElectroChemistry
0
votes
23
views
What are the most effective photochemical properties that determine the efficiency of a photovoltaic material, and how can they be optimized to increase the conversion rate of solar energy into electricity?
answered
Feb 20
in
PhotoChemistry
0
votes
41
views
How can the synthesis of polypropylene from propylene monomer be optimized to increase the yield of high quality polymer?
answered
Feb 11
in
Chemical synthesis
0
votes
44
views
How can the synthesis and characterization of new materials for use in fuel cells be optimized to improve their performance in terms of efficiency and durability while reducing costs?
answered
Feb 11
in
Materials Chemistry
0
votes
32
views
How can computational studies of supramolecular chemistry be used to design more efficient drug delivery systems?
answered
Feb 5
in
Computational Chemistry
0
votes
45
views
Design a chemical reactor system with a specific volume and flow rate for the production of 100 kg/hr of ammonia from hydrogen and nitrogen gases using the Haber-Bosch process. The reactor temperature should be maintained at 450°C and a pressure of 200 atm. The reactor should also have a 90% conversion rate of reactants to meet the required production rate. Determine the dimensions of the reactor and the amount of catalyst needed for this process.
answered
Feb 3
in
Chemical engineering
0
votes
54
views
Can you identify the differences in the photochemical properties of the enantiomers of a chiral molecule and explain how this affects their behavior in a photochemical reaction?
answered
Feb 3
in
PhotoChemistry
0
votes
79
views
What is the concentration of caffeine in a particular brand of coffee, using liquid chromatography as the primary analytical technique?
answered
Jan 30
in
Analytical Chemistry
0
votes
49
views
According to Freud's psychoanalytic theory, how does personality develop?
answered
Jan 20
in
Psychology
0
votes
32
views
What is the cognitive-behavioural model of health?
answered
Jan 20
in
Psychology
0
votes
33
views
What is the Temporal Theory of hearing?
answered
Jan 16
in
Psychology
0
votes
30
views
What is explanatory power?
answered
Jan 15
in
Psychology
0
votes
39
views
What is falsificationism?
answered
Jan 15
in
Psychology
0
votes
73
views
What is emotion-focused coping?
answered
Jan 14
in
Psychology
0
votes
59
views
What is gender stereotype?
answered
Jan 14
in
Psychology
0
votes
34
views
Compare and contrast the cross-sectional and sequential research designs.
answered
Jan 10
in
Psychology
0
votes
44
views
What occurs if oxygen cannot be obtained at a sufficient rate?
answered
Jan 7
in
Science
0
votes
52
views
What is the most electron-pair bonds a nitrogen atom can participate in?
answered
Jan 7
in
Science
0
votes
56
views
Some isotopes are stable indefinitely, while others are radioactive and do what through a characteristic form of emission?
answered
Dec 31, 2024
in
Science
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