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User IsraelAshwor
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1
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What is the relationship between the electronic structure and the magnetic properties of a topological insulator material? And how can this relationship be explored using quantum chemistry methods?
asked
1 day
ago
in
Quantum Chemistry
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votes
1
answer
15
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How does the regulation of the citric acid cycle impact the energy metabolism of a cell?
asked
1 day
ago
in
BioChemistry
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votes
1
answer
19
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How does the reaction mechanism (e.g. unimolecular, bimolecular, or termolecular) affect the rate of a chemical reaction, and what experimental methods can be used to investigate this relationship?
asked
3 days
ago
in
Chemical kinetics
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votes
1
answer
17
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How does the molecular weight of a polymer affect its mechanical properties and suitability for use in biomedical applications like tissue engineering scaffolds or drug delivery devices?
asked
4 days
ago
in
Materials Chemistry
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votes
1
answer
21
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How does the doping concentration of boron and phosphorus affect the electronic properties of a silicon semiconductor, and how can this knowledge be applied in the design and optimization of electronic devices?
asked
5 days
ago
in
Materials Chemistry
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votes
1
answer
19
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What is the diffusion coefficient of oxygen gas in air at 25°C and atmospheric pressure?
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5 days
ago
in
Physical Chemistry
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votes
1
answer
30
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What is the surface tension of a liquid and how can it be measured using the drop weight method?
asked
Feb 17
in
Surface Chemistry
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votes
1
answer
35
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How can the sensitivity, selectivity, and response time of a polymer-based gas sensor be optimized?
asked
Feb 10
in
Polymer Chemistry
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votes
1
answer
41
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How can the principles of quantum mechanics be utilized to predict the catalytic activity and selectivity of a given chemical reaction?
asked
Feb 10
in
Quantum Chemistry
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votes
1
answer
32
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How can chemistry students overcome the issue of limited access to laboratory equipment and facilities to effectively learn and apply important chemical concepts?
asked
Feb 5
in
Chemical education
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1
answer
55
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Determine the enthalpy change for the oxidation of 2 moles of iron (Fe) to form iron oxide (FeO) using the following data: Fe + 1/2 O2 → FeO ΔH = -65.0 kJ/mol 4 Fe + 3 O2 → 2 Fe2O3 ΔH = -1648.6 kJ/mol
asked
Feb 4
in
ThermoChemistry
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votes
1
answer
9
views
Consider the chemical reaction A(g) + B(g) ↔ 2C(g). At equilibrium, the concentration of A is 0.25 M, the concentration of B is 0.15 M, and the concentration of C is 0.40 M. What is the equilibrium constant for this reaction at the given temperature?
asked
Feb 3
in
Chemical equilibrium
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votes
1
answer
51
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How does changing the surface ligands of gold nanoparticles affect their stability and reactivity in aqueous solution, as analyzed through molecular dynamics simulations?
asked
Feb 3
in
Computational Chemistry
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1
answer
66
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Calculate the standard enthalpy of formation (ΔHf°) for hydrogen peroxide using quantum chemistry calculations.
asked
Jan 31
in
Quantum Chemistry
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votes
1
answer
60
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A chemistry student wants to investigate the adsorption behavior of a gas on a solid surface. Using the Langmuir adsorption isotherm, determine the maximum adsorption capacity of the surface and the equilibrium constant, if the surface area of the solid is 10 cm$^2$ and the gas pressure is varied from 0.1 to 1 bar at a constant temperature of 298 K.
asked
Jan 22
in
Surface Chemistry
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votes
1
answer
34
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Who introduced the code of practice for Fly-in-fly-out workers?
asked
Jan 20
in
Psychology
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1
answer
30
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Why is positivity important in positive psychology?
asked
Jan 20
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Psychology
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1
answer
33
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Why did Festinger propose the concept of cognitive dissonance?
asked
Jan 17
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Psychology
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votes
1
answer
25
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Who proposed the idea of positive social relationships?
asked
Jan 17
in
Psychology
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1
answer
38
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What is the relationship between attention and cognitive control?
asked
Jan 17
in
Psychology
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