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1
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21
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What is the mechanism of photo-induced chemical reactions in silver halide crystals, and how does this explain the photosensitivity of photographic materials?
asked
5 days
ago
in
PhotoChemistry
0
votes
1
answer
27
views
What is the hybridization of the central carbon atom in the molecule CH4?
asked
5 days
ago
in
Chemical bonding
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votes
1
answer
30
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What is the effect of the degree of crosslinking on the water absorption capacity of polymer-based superabsorbent materials?
asked
6 days
ago
in
Polymer Chemistry
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votes
1
answer
26
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What is the effect of concentration on the conductivity of sodium chloride in aqueous solution?
asked
Feb 19
in
Inorganic Chemistry
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votes
1
answer
36
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How does the chiral center in a molecule affect its photochemical properties, and how can these properties be exploited for enantioselective photochemical reactions?
asked
Feb 18
in
PhotoChemistry
0
votes
1
answer
38
views
What is the impact of supramolecular assemblies on the photochemical properties of organic molecules?
asked
Feb 14
in
PhotoChemistry
0
votes
1
answer
50
views
How can the production process of surfactants be optimized to minimize waste and increase efficiency, while ensuring that the final product meets industry standards and is environmentally sustainable?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
34
views
How can the electronic and magnetic properties of metal-organic frameworks (MOFs) be predicted using quantum chemistry methods such as density functional theory (DFT)?
asked
Feb 7
in
Quantum Chemistry
0
votes
1
answer
35
views
How can the efficiency of the production process for synthetic detergents be improved to reduce overall costs and increase yield?
asked
Feb 7
in
Chemical engineering
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votes
1
answer
33
views
How can the efficiency of the production of cosmetic products in a chemical engineering system be improved while minimizing the use of hazardous chemicals and maximizing the use of renewable resources?
asked
Feb 7
in
Chemical engineering
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votes
1
answer
32
views
How can inadequate training for chemistry teachers be addressed to improve students' understanding and interest in chemistry?
asked
Feb 6
in
Chemical education
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votes
1
answer
51
views
Determine the molecular geometry and bond angles of a water molecule using the Valence Shell Electron Pair Repulsion (VSEPR) theory.
asked
Feb 4
in
Quantum Chemistry
0
votes
1
answer
66
views
What is the rate constant for the hydrogen abstraction reaction between ethane and the hydroxyl radical (OH) in the gas phase at room temperature (298K)? Use quantum chemical calculations to determine the activation energy and frequency factor for this reaction.
asked
Jan 31
in
Computational Chemistry
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votes
1
answer
82
views
What is the amount of copper in a sample of an unknown compound if 25.0 mL of a 0.050 M EDTA solution is required to titrate a 0.100 g sample of the compound using coulometry?
asked
Jan 30
in
Analytical Chemistry
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votes
1
answer
55
views
Calculate the equilibrium constant (K) for the reaction that occurs when a nickel electrode is placed in a solution containing 1.0 M of nickel ions and 1.0 M of copper ions. The nickel electrode was placed in the solution, and the cell potential was measured to be 0.21 V at 25 °C.
asked
Jan 23
in
ElectroChemistry
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votes
1
answer
88
views
A chemistry student needs to prepare a buffer solution with a pH of 7.2 using acetic acid (CH3COOH) and sodium acetate (CH3COONa). The student has 100 mL of 0.1 M acetic acid and 100 mL of 0.1 M sodium acetate. What volume of each solution do they need to mix to prepare the desired buffer solution with a total volume of 500 mL?
asked
Jan 22
in
Chemical reactions
0
votes
1
answer
52
views
According to Freud, when does the latency stage of psychosexual development occur?
asked
Jan 20
in
Psychology
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votes
1
answer
29
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According to the diathesis-stress model, how does positive coping strategies affect the likelihood of developing a mental disorder?
asked
Jan 20
in
Psychology
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votes
1
answer
12
views
According to Zimbardo's Stanford prison experiment, what happened to the participants who were assigned the role of guards?
asked
Jan 20
in
Psychology
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votes
1
answer
39
views
Why should mental health treatment be individualised?
asked
Jan 20
in
Psychology
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