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19
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What factors determine the selectivity of a chemical reaction, and how can quantum chemistry calculations be used to predict and optimize selectivity in chemical reactions involving large molecules such as proteins or DNA?
answered
1 day
ago
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Quantum Chemistry
0
votes
24
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How does the molecular weight of a polymer affect its conformation and thermodynamic properties as observed through Monte Carlo simulations?
answered
4 days
ago
in
Computational Chemistry
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25
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How does the coordination chemistry of a metal ion in metalloenzymes and metalloproteins affect its enzymatic activity and biological function?
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6 days
ago
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Coordination Chemistry
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votes
22
views
What is the change in enthalpy (ΔH) for the combustion of methane (CH4) at standard conditions?
answered
6 days
ago
in
Physical Chemistry
0
votes
24
views
How do supramolecular assemblies affect the photochemical properties of organic compounds and how can this phenomenon be utilized in inorganic chemistry?
answered
Feb 17
in
PhotoChemistry
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votes
30
views
What is the boiling point of sodium chloride (NaCl) at standard atmospheric pressure (1 atm)? Show your complete calculation.
answered
Feb 14
in
Inorganic Chemistry
0
votes
36
views
How can we use quantum chemistry calculations to predict the selectivity of a catalyst in a specific chemical reaction?
answered
Feb 14
in
Quantum Chemistry
0
votes
35
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How does the metal coordination and bonding affect the properties and potential applications of metallofullerenes and metalloclusters?
answered
Feb 13
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Coordination Chemistry
0
votes
31
views
How can the properties of semiconductors be modified to enhance their efficiency in electronic devices?
answered
Feb 10
in
Materials Chemistry
0
votes
11
views
How can the design of a hydrogen fuel production system be optimized to increase efficiency and reduce costs while minimizing environmental impact?
answered
Feb 6
in
Chemical engineering
0
votes
66
views
What is the concentration of iron (Fe) in a sample of river water using spectrophotometry at a wavelength of 510 nm? Given that the absorbance value of the sample at 510 nm is 0.42, and the molar absorptivity of iron (Fe) at that wavelength is 18,000 M^-1 cm^-1.
answered
Jan 30
in
Analytical Chemistry
0
votes
15
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Calculate the heat capacity of 25 grams of aluminum if it was heated from 25°C to 100°C and absorbed 750 Joules of heat energy.
answered
Jan 23
in
Chemical thermodynamics
0
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56
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Calculate the entropy change (∆S) for the reaction of 2 moles of solid NH4Cl with 1 mole of NaOH in a coffee cup calorimeter at a constant temperature of 25°C. The reaction takes place in 100 mL of water and produces 2 moles of NH3 and 1 mole of NaCl in solution. Assume that the specific heat capacity of water is 4.18 J/g·K and that the final solution temperature after the reaction is complete is 25°C.
answered
Jan 23
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Chemical thermodynamics
0
votes
38
views
How do the biological and cognitive theories of depression differ?
answered
Jan 20
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Psychology
0
votes
11
views
Who developed the biopsychosocial model?
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Jan 17
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Psychology
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73
views
Comment on the development of cross-cultural psychology?
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Jan 16
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Psychology
0
votes
77
views
Who developed the Human Givens Approach?
answered
Jan 15
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Psychology
0
votes
53
views
What are the major causes of psychosis?
answered
Jan 13
in
Psychology
0
votes
40
views
The hydroxyl radical is highly reactive because it has what?
answered
Jan 2
in
Science
0
votes
31
views
Some women experience cramping and pain before and during what monthly cycle?
answered
Dec 31, 2024
in
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