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How does the presence of a reaction intermediate affect the rate of a chemical reaction, and can this effect be quantified using experimental techniques?
asked
Feb 22
in
Chemical kinetics
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votes
1
answer
32
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What are the coordination geometries of the metal centers in heme proteins, and how do they help in the enzymatic activity of these proteins? Provide examples of heme proteins and their functions where these coordination geometries play a critical role.
asked
Feb 19
in
Coordination Chemistry
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1
answer
15
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How can we improve the selectivity and permeability properties of polymer-based membranes for water treatment, particularly in removing specific contaminants such as heavy metals or organic pollutants?
asked
Feb 13
in
Polymer Chemistry
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1
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68
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How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity? Provide specific examples of metalloenzymes/proteins and their coordination chemistry that illustrate this phenomenon.
asked
Feb 12
in
Coordination Chemistry
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votes
1
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44
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How can the knowledge of the molecular structure of a specific target virus be used to design drugs that selectively and effectively target the virus, while minimizing side effects on human cells?
asked
Feb 7
in
Medicinal Chemistry
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1
answer
53
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Calculate the standard enthalpy change of reduction for the following reaction: Cu2+(aq) + 2e- -> Cu(s) Given that the standard electrode potential of Cu2+(aq)/Cu(s) is +0.34 V and the standard electrode potential of Ag+(aq)/Ag(s) is +0.80 V.
asked
Feb 3
in
ThermoChemistry
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1
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32
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Calculate the standard enthalpy change for the neutralization of HCl with NaOH, given that the heat of formation of water is -285.8 kJ/mol, the heat of formation of NaCl is -411.1 kJ/mol, and the initial concentrations of HCl and NaOH are 1.0 M.
asked
Feb 3
in
Chemical thermodynamics
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1
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54
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How does changing the temperature affect the behavior of a polymer system composed of 1000 chains constructed from styrene monomers, as determined by Monte Carlo simulations, and how can this information be applied to design synthetic polymers with specific properties?
asked
Feb 3
in
Computational Chemistry
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1
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123
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Calculate the enthalpy change for the dissolution of 5.00 g of potassium chloride (KCl) in 100 mL of water. Given that the specific heat capacity of the resulting solution is 4.18 J/g°C, and its temperature increases from 25.0°C to 30.0°C. The molar mass of KCl is 74.55 g/mol, and the enthalpy of hydration of K+ and Cl- ions is -716 and -364 kJ/mol, respectively.
asked
Jan 23
in
ThermoChemistry
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1
answer
62
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Compare and contrast the nativist and empiricist perspectives on cognitive development.
asked
Jan 20
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Psychology
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1
answer
79
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What is the main reason why suicide rates increase during adolescence?
asked
Jan 16
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Psychology
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1
answer
43
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How does the concept of reproductive strategies relate to evolutionary psychology?
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Jan 15
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Psychology
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1
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37
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Who is associated with reflexivity in qualitative research?
asked
Jan 15
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Psychology
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1
answer
17
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What is the difference between an experimental and non-experimental research design?
asked
Jan 13
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Psychology
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1
answer
138
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What type of disease occurs when the immune system fails to recognize the body's own molecules?
asked
Jan 8
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Science
0
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1
answer
83
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What magnetism is produced by electricity?
asked
Jan 7
in
Science
0
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1
answer
45
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What are materials that have a low resistance to electrical current called?
asked
Jan 3
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Science
0
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1
answer
62
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In physics, work means the use of what to move an object?
asked
Dec 31, 2024
in
Science
0
votes
1
answer
93
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Bread has little holes in it from carbon dioxide produced by what?
asked
Dec 30, 2024
in
Science
0
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1
answer
68
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A warm-air heating system uses what kind of energy to heat air?
asked
Dec 28, 2024
in
Science
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