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0
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1
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26
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What is the mechanism of the nucleophilic substitution reaction for the reaction between ethyl bromide and sodium hydroxide?
asked
Feb 22
in
Organic Chemistry
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1
answer
34
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What is the mechanism behind the fluorescence process in fluorescent dyes? How does the chromophore structure and the solvent affect the fluorescence quantum yield?
asked
Feb 20
in
PhotoChemistry
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1
answer
30
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What is the effect of varying the concentration of reactants on the reaction rate and selectivity for the synthesis of aspirin using acetic anhydride and salicylic acid as starting materials?
asked
Feb 20
in
Chemical kinetics
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1
answer
28
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What is the effect of nanoparticle size on the mechanical properties of polymer nanocomposites?
asked
Feb 19
in
Polymer Chemistry
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1
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25
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What is the coordination environment of the metal ion in the active site of the metalloenzyme myoglobin, and how does this coordination environment contribute to its function in oxygen binding and storage?
asked
Feb 19
in
Coordination Chemistry
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1
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32
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How does the configuration and geometry of a molecule affect its ability to conduct electricity at the nanoscale?
asked
Feb 19
in
Quantum Chemistry
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1
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32
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How does the concentration of reactants affect the selectivity of a reaction in the synthesis of a specific compound?
asked
Feb 19
in
Chemical kinetics
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1
answer
34
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How do the photochemical properties of quantum dots compare to those of traditional organic dyes?
asked
Feb 14
in
PhotoChemistry
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1
answer
56
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How do metal ions coordinate with the amino acid residues in metalloenzymes and metalloproteins to carry out their biological functions and what are the factors that influence the coordination preferences of the metal ions?
asked
Feb 13
in
Coordination Chemistry
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1
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59
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How does the type of molecular structure of a liquid crystal affect its properties and behavior? Specifically, compare and contrast the properties and behavior of nematic and smectic liquid crystals.
asked
Feb 13
in
Physical Chemistry
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1
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79
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Given the reaction A + B ⇌ C and the equilibrium constant, Kc = 2.0 at a certain temperature, if the initial concentration of A is 0.1 M and the initial concentration of B is 0.2 M, what is the equilibrium concentration of C if the reaction proceeds with a rate constant of 0.05 M/s?
asked
Feb 4
in
Chemical kinetics
0
votes
1
answer
88
views
How does the mechanism of action differ between aspirin, ibuprofen, and acetaminophen in treating pain and inflammation, and what structural features of these drugs contribute to their efficacy?
asked
Jan 31
in
Medicinal Chemistry
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1
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91
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What vibrational frequencies and infrared spectra results would be obtained for the molecule acetic acid (CH3COOH) using the quantum mechanical method of calculation?
asked
Jan 31
in
Quantum Chemistry
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1
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100
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What is the concentration of copper ions (Cu2+) in a sample solution if the absorbance of the solution at a wavelength of 550 nm is 0.45 and the path length of the sample cell is 1 cm? Given that the molar absorptivity of Cu2+ at this wavelength is 1.5 × 10^4 L mol^-1 cm^-1.
asked
Jan 30
in
Analytical Chemistry
0
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1
answer
123
views
What is the cognitive neuroscience approach's evaluation of visual illusions?
asked
Jan 20
in
Psychology
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1
answer
61
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According to the cognitive approach, what is the main focus of psychology?
asked
Jan 20
in
Psychology
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1
answer
70
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Why is the psychodynamic approach important for understanding psychopathology?
asked
Jan 20
in
Psychology
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1
answer
40
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What is the main idea behind evolutionary psychology?
asked
Jan 15
in
Psychology
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1
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43
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Who is the psychologist who proposed the theory of cognitive dissonance?
asked
Jan 15
in
Psychology
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1
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54
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When do we perceive brightness?
asked
Jan 15
in
Psychology
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