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What is the mechanism of the Hofmann elimination reaction and how does it differ from the E2 reaction? Provide an example of each reaction and explain the factors that affect their selectivity.
asked
5 days
ago
in
Organic Chemistry
0
votes
1
answer
22
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What is the effect of pH on the electrokinetic potential of a positively charged colloidal particle in an aqueous solution? Provide an explanation based on the theory of double layer formation.
asked
5 days
ago
in
Surface Chemistry
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votes
1
answer
26
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How does the coordination chemistry of metalloenzymes and metalloproteins contribute to their catalytic activity and how can this knowledge be used to design more effective enzymatic catalysts for industrial applications?
asked
6 days
ago
in
Coordination Chemistry
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1
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22
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How can we safely dispose of radioactive waste to minimize its impact on the environment and prevent contamination of surrounding regions?
asked
Feb 14
in
Environmental Chemistry
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1
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38
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What are the specific chemical compounds present in landfill leachate and how do they impact the quality of groundwater in the surrounding area?
asked
Feb 13
in
Environmental Chemistry
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1
answer
39
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How does the liver metabolize the drug ibuprofen and what are the resulting metabolites produced in the body?
asked
Feb 13
in
Medicinal Chemistry
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1
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35
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How do heavy metals in soil contamination affect crop growth and productivity, and what are the most effective methods for remediation?
asked
Feb 13
in
Environmental Chemistry
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1
answer
46
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How can the stability of colloidal suspensions be altered by changing the particle size or surface charge, and what are the practical applications of these modifications?
asked
Feb 10
in
Physical Chemistry
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votes
1
answer
41
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How can the properties of polymer-based composites be enhanced for better performance in aerospace applications, such as increased strength and heat resistance?
asked
Feb 10
in
Polymer Chemistry
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votes
1
answer
48
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How can the principles of quantum mechanics be applied in the development of quantum computing algorithms for the simulation of chemical systems and the design of new molecules with desired properties?
asked
Feb 10
in
Quantum Chemistry
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votes
1
answer
28
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How can the molecular weight and the degree of polymerization of polyvinylpyrrolidone be controlled during its synthesis from vinylpyrrolidone monomer?
asked
Feb 10
in
Chemical synthesis
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votes
1
answer
67
views
What is the concentration (in ppm) of caffeine in a given sample of coffee extract, determined using liquid chromatography?
asked
Jan 30
in
Analytical Chemistry
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1
answer
58
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How can the concentration of a particular substance be determined using polarography? Provide step-by-step instructions and a detailed explanation of the variables and calculations involved in the process. Additionally, give an example of how this technique can be applied in real-life situations, such as determining the levels of heavy metal pollutants in a water sample.
asked
Jan 29
in
Analytical Chemistry
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46
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A zinc rod is being placed in a solution containing 0.1 M of copper (II) ions. Calculate the corrosion potential of the zinc rod in a galvanic couple with a standard hydrogen electrode at 25°C.
asked
Jan 22
in
ElectroChemistry
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1
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87
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A chemistry student needs to calculate the rate constant for the following reaction: 2 H2(g) + O2(g) --> 2 H2O(g) The initial concentration of H2 is 0.45 M and the initial concentration of O2 is 0.20 M. The reaction rate is measured to be 0.75 M/s. Calculate the rate constant for the reaction.
asked
Jan 22
in
Chemical kinetics
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1
answer
62
views
What does the scientific method involve?
asked
Jan 20
in
Psychology
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votes
1
answer
48
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According to the Gestalt theory of perception, why do we perceive objects as whole rather than a collection of parts?
asked
Jan 20
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Psychology
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1
answer
9
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Why is replication important in scientific research?
asked
Jan 20
in
Psychology
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1
answer
56
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How can alternative therapies, such as meditation, aid in recovery from mental illness?
asked
Jan 20
in
Psychology
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1
answer
48
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What is the difference between a speech act and a discursive practice?
asked
Jan 17
in
Psychology
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