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0
votes
1
answer
18
views
How does the size and shape of nanoparticles affect their photochemical properties? Investigate the photochemical properties of nanoparticles with varying sizes and shapes, and determine how these properties relate to the particle's structural features.
asked
1 day
ago
in
PhotoChemistry
0
votes
1
answer
5
views
What is the effect of varying the number of layers of graphene on its electronic and physical properties, and how can this be utilized for optimizing graphene-based electronic devices?
asked
4 days
ago
in
Materials Chemistry
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votes
1
answer
23
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What are the key factors that govern the binding and activation of oxygen to the heme iron of myoglobin and hemoglobin? Discuss the coordination chemistry of these metalloproteins with respect to their biological function.
asked
Feb 17
in
Coordination Chemistry
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votes
1
answer
34
views
How does the accumulation of a certain product affect the reaction rate of a chemical reaction? Provide specific examples and experimental data to support your answer.
asked
Feb 17
in
Chemical kinetics
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votes
1
answer
30
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How does the process of proteolysis differ between the lysosomal and proteasomal pathways, and how do these differences affect protein degradation and turnover in the cell?
asked
Feb 14
in
BioChemistry
0
votes
1
answer
32
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?
asked
Feb 14
in
Quantum Chemistry
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votes
1
answer
47
views
How can we improve the photostability of sunscreen agents under UV irradiation?
asked
Feb 13
in
PhotoChemistry
0
votes
1
answer
33
views
How can we design an efficient and sustainable system for the production of natural raspberry flavor using chemical engineering principles and techniques?
asked
Feb 12
in
Chemical engineering
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votes
1
answer
28
views
How can the performance of polymer-based coatings and paints be improved for better adhesion, durability, and corrosion resistance?
asked
Feb 10
in
Polymer Chemistry
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votes
1
answer
9
views
How can chemistry teachers spark interest in the subject among students who perceive it as difficult and uninteresting?
asked
Feb 5
in
Chemical education
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votes
1
answer
78
views
How can we increase the exposure of chemistry in everyday life to make it more interesting and relevant to the general population?
asked
Jan 30
in
Chemical education
0
votes
1
answer
56
views
How can Raman spectroscopy be used to identify the presence of a specific compound in a mixture, and what are the limitations and challenges associated with this technique?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
43
views
Calculate the enthalpy of adsorption of hydrogen gas on activated carbon if 2 grams of activated carbon absorb 0.025 moles of hydrogen gas at 298 K and the pressure of the system is 1 atm. The molar enthalpy of hydrogen gas is -285.8 kJ/mol at constant pressure.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
55
views
Calculate the bond order of the molecule NO using molecular orbital theory, given that the nitrogen atom has four valence electrons and the oxygen atom has six valence electrons.
asked
Jan 23
in
Chemical bonding
0
votes
1
answer
59
views
Calculate the amount of energy needed to desorb 10 moles of hydrogen gas from a metal surface, given that the enthalpy of desorption is -120 kJ/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
104
views
A student has a solution of acetic acid (CH3COOH) with a concentration of 0.1 M and wants to calculate the effect of adding sodium acetate (NaCH3COO) with a concentration of 0.05 M on the equilibrium position of the reaction CH3COOH + H2O ↔ CH3COO- + H3O+. Calculate the new equilibrium concentrations of all species and explain the effect of the added common ion on the equilibrium position.
asked
Jan 22
in
Chemical equilibrium
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votes
1
answer
36
views
According to the sociocultural theory of development, what is the impact of cultural context on development?
asked
Jan 20
in
Psychology
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votes
1
answer
11
views
When does the id, according to Freud, influence our behaviour?
asked
Jan 17
in
Psychology
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votes
1
answer
27
views
What criticisms have been lodged against social facilitation theory?
asked
Jan 16
in
Psychology
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votes
1
answer
13
views
Why is sexual differentiation theory significant?
asked
Jan 16
in
Psychology
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