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0
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25
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How does the size and shape of a nanomaterial affect its electronic and optical properties, and what is the mechanism behind these changes?
answered
Feb 24
in
Quantum Chemistry
0
votes
29
views
What is the reaction mechanism for the substitution of bromine with hydroxide ion in an acidic medium and what is the role of the intermediate formed in this reaction?
answered
Feb 24
in
Organic Chemistry
0
votes
32
views
What is the optimal reaction condition for the preparation of p-nitroaniline from aniline and nitric acid, and how can the yield of the product be improved?
answered
Feb 21
in
Chemical synthesis
0
votes
31
views
What is the effect of processing conditions on the mechanical properties of polymer products?
answered
Feb 20
in
Polymer Chemistry
0
votes
40
views
How can we predict the electronic and magnetic properties of specific metal-organic frameworks and their potential applications in catalysis, energy storage, and gas separation?
answered
Feb 14
in
Quantum Chemistry
0
votes
37
views
How can we predict the absorption spectra of a molecule using quantum chemical calculations of excited states?
answered
Feb 14
in
Computational Chemistry
0
votes
35
views
How do POPs affect the food web and what are the potential risks of consuming contaminated organisms?
answered
Feb 14
in
Environmental Chemistry
0
votes
38
views
How does decreasing the concentration of a reactant affect the equilibrium position of a chemical reaction? Provide a specific example of a reaction and explain how the Le Châtelier's principle applies in this situation.
answered
Feb 12
in
Chemical equilibrium
0
votes
49
views
How does the coordination chemistry of metalloenzymes and metalloproteins facilitate their catalytic activity and what factors impact their ability to bind and activate substrates?
answered
Feb 12
in
Coordination Chemistry
0
votes
99
views
How can the study of chemistry help in solving real-world problems related to sustainability and economic development?
answered
Feb 11
in
Chemical education
0
votes
40
views
How can the conductivity of polymer electrolytes be enhanced to improve the performance and efficiency of batteries?
answered
Feb 6
in
Polymer Chemistry
0
votes
72
views
Calculate the standard enthalpy change for the reaction where 3 moles of hydrogen gas react with 1 mole of nitrogen gas to form 2 moles of ammonia gas. Given the following thermochemical equation: N2(g) + 3 H2(g) → 2 NH3(g) ΔH° = −92.4 kJ/mol
answered
Feb 3
in
Chemical thermodynamics
0
votes
150
views
How can X-ray diffraction be used to analyze the crystal structure of a sample and determine its chemical composition?
answered
Jan 30
in
Analytical Chemistry
0
votes
57
views
Calculate the enthalpy change for the hydrolysis of 2 moles of sucrose (C12H22O11) given that the enthalpy change of hydrolysis for 1 mole of sucrose is -564 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
52
views
Calculate the bond energy of O-O bond in a molecule of oxygen gas (O$_2$) given that the dissociation energy required to break this bond is 498 kJ/mol.
answered
Jan 23
in
Chemical reactions
0
votes
116
views
What is the correct IUPAC name of the following organic compound: CH3-CH2-CH(CH3)-CH2-Br?
answered
Jan 21
in
Organic Chemistry
0
votes
65
views
According to the stress-vulnerability model, what are the two factors that contribute to the development of psychosis?
answered
Jan 20
in
Psychology
0
votes
37
views
According to the biological theory, what is the role of the amygdala in anxiety?
answered
Jan 17
in
Psychology
0
votes
68
views
Where are standardised effect sizes commonly used?
answered
Jan 16
in
Psychology
0
votes
87
views
When evaluating the cognitive theories, why is it important to distinguish between correlational studies and experimental designs?
answered
Jan 16
in
Psychology
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