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User ElmoMcColl39
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What is the most effective polymerization method for synthesizing high-quality polystyrene from styrene monomer, and what factors need to be considered to optimize it?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
78
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What factors affect the critical temperature of superconducting materials, and how can these factors be manipulated to increase the critical temperature?
asked
Feb 19
in
Materials Chemistry
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1
answer
73
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How does the coordination chemistry of EDTA influence its ability to selectively chelate toxic metal ions in chelation therapy?
asked
Feb 19
in
Coordination Chemistry
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votes
1
answer
91
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How do the chemical properties and structures of different polymer-based packaging materials affect their degradation and environmental impact, and how can we design more sustainable packaging materials using polymer chemistry principles?
asked
Feb 18
in
Polymer Chemistry
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1
answer
89
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How does the Calvin cycle utilize enzymes to fix carbon dioxide and synthesize carbohydrates during photosynthesis?
asked
Feb 18
in
BioChemistry
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1
answer
107
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What is the role of metal ions in catalysis of metalloenzymes? Provide an example of a metalloenzyme and explain its mechanism of action based on its coordination chemistry.
asked
Feb 13
in
Coordination Chemistry
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votes
1
answer
77
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How does computational modeling help in understanding enzyme catalysis and designing more efficient enzyme inhibitors?
asked
Feb 12
in
Computational Chemistry
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1
answer
90
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How can magnetic resonance spectroscopy be used to determine the purity of a chemical compound? Develop a protocol for using NMR spectroscopy to assess the purity of a sample of 2-butanone.
asked
Feb 5
in
Physical Chemistry
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votes
1
answer
161
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How does the binding affinity between a protein and its ligand change with varying pH levels? Use molecular dynamics simulations to analyze the interaction and observe any structural changes.
asked
Jan 31
in
Computational Chemistry
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1
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74
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What is the mechanism by which a photochemical reaction occurs in organic compounds, and how does it differ from thermal reactions? Provide examples of photochemical reactions in organic compounds and discuss their significance in various applications, such as medicine, materials science, and environmental science.
asked
Jan 30
in
PhotoChemistry
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1
answer
88
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Calculate the area per molecule occupied by a monolayer of n-octadecane molecules adsorbed at the air-water interface assuming a surface pressure of 20 mN/m. The molecular weight of n-octadecane is 284.54 g/mol and its molecular area in the liquid phase is 0.219 nm². Use the Langmuir adsorption isotherm equation to solve the problem.
asked
Jan 23
in
Surface Chemistry
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1
answer
123
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A chemistry student wants to determine the surface area of a metal oxide sample using the Langmuir adsorption isotherm. The student collects adsorption data at different pressures and determines the amount of gas adsorbed on the surface. The Langmuir isotherm equation used is y = Kx / (1 + Kx), where y is the fractional surface coverage, x is the pressure of the gas, and K is a constant related to the adsorption energy. The student obtains the following data:Pressure (atm) | Fractional surface coverage-------------|---------------------------
asked
Jan 22
in
Surface Chemistry
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1
answer
86
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What is the oxidation state of chlorine in the compound KClO4?
asked
Jan 21
in
Inorganic Chemistry
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1
answer
58
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Who conducted the Milgram obedience experiment?
asked
Jan 20
in
Psychology
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votes
1
answer
51
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How does discursive psychology approach research?
asked
Jan 17
in
Psychology
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votes
1
answer
45
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What is the difference between absolute threshold and difference threshold according to the signal detection theory?
asked
Jan 17
in
Psychology
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votes
1
answer
142
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According to the Social Identity theory, how does group prototypicality affect intergroup behaviour?
asked
Jan 16
in
Psychology
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votes
1
answer
88
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What is the focus of the constructivist theory?
asked
Jan 15
in
Psychology
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votes
1
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70
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What is the term for the personal fable seen in adolescents?
asked
Jan 15
in
Psychology
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votes
1
answer
107
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What is the theory of classical conditioning?
asked
Jan 15
in
Psychology
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