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What is the most effective chemical method for cleaning up oil spills and minimizing their impact on the environment?
asked
Feb 21
in
Environmental Chemistry
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votes
1
answer
32
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How does the electronic structure of a host molecule affect the binding selectivity and binding strength of guest molecules in supramolecular assemblies?
asked
Feb 20
in
Computational Chemistry
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1
answer
35
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What is the relationship between the electronic configuration of an inorganic compound and its reactivity?
asked
Feb 20
in
Inorganic Chemistry
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1
answer
24
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How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity?
asked
Feb 19
in
Coordination Chemistry
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1
answer
35
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How does the choice of polymer electrolyte affect the performance and efficiency of lithium-ion batteries?
asked
Feb 18
in
Polymer Chemistry
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1
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36
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What is the influence of the chemical structure of dyes and pigments on their photochemical properties and how can this knowledge be applied to enhance their performance in various applications?
asked
Feb 18
in
PhotoChemistry
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1
answer
40
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How does the absorption of light by molecules and materials affect their electronic structure and reactivity?
asked
Feb 17
in
Quantum Chemistry
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1
answer
39
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How does surface modification of polymers affect their wettability and adhesion properties?
asked
Feb 17
in
Surface Chemistry
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1
answer
29
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What is the difference between primary, secondary, and tertiary amines, and how does their basicity compare? Provide an example of each type of amine and their corresponding amide.
asked
Feb 14
in
Organic Chemistry
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votes
1
answer
43
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What is the predicted rate and mechanism of the reaction between hydrogen gas and oxygen gas at a temperature of 298 K and a pressure of 1 atm using quantum chemistry calculations?
asked
Feb 14
in
Quantum Chemistry
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votes
1
answer
36
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What are the mechanisms of degradation of polyethylene under UV light exposure and how can its stability be improved using different additives?
asked
Feb 14
in
Polymer Chemistry
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1
answer
50
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What is the effect of enzyme inhibition on the flux of a metabolic pathway, and how is this affected by the concentration of the inhibitor and the substrate?
asked
Feb 13
in
BioChemistry
0
votes
1
answer
42
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How can supramolecular chemistry be utilized to create self-assembled materials with specific properties or functions?
asked
Feb 6
in
Physical Chemistry
0
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1
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100
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Calculate the standard enthalpy change for the following reaction: 2NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + 2H2O(l) Given the following information: - The standard enthalpy of formation of NaOH(aq) is -469.20 kJ/mol - The standard enthalpy of formation of H2SO4(aq) is -814.50 kJ/mol - The standard enthalpy of formation of Na2SO4(aq) is -1388.10 kJ/mol Note: Make sure to balance the equation and use Hess's Law if necessary.
asked
Feb 3
in
Chemical thermodynamics
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1
answer
125
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What is the effect of adding different amounts of titanium on the strength and hardness of a particular alloy made of aluminum and copper, and how does this affect its suitability for use in aerospace applications?
asked
Jan 30
in
Materials Chemistry
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1
answer
76
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An unknown compound was analyzed using mass spectrometry, and the resulting spectrum showed a molecular ion peak at m/z 214. Fragmentation patterns were also observed with peaks at m/z 121 and m/z 93. Can you identify the unknown compound and explain the fragmentation pathways leading to the observed peaks?
asked
Jan 22
in
Analytical Chemistry
0
votes
1
answer
45
views
What is the role of the basal ganglia in motor control?
asked
Jan 20
in
Psychology
0
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1
answer
69
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What is the Spearman's two-factor theory?
asked
Jan 20
in
Psychology
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1
answer
44
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When diagnosing bipolar disorder, what are the DSM-5 criteria?
asked
Jan 17
in
Psychology
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1
answer
67
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Why is the psychodynamic theory used in forensic psychology?
asked
Jan 16
in
Psychology
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