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1
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14
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How does the electronic structure of a molecule affect its conductivity at the nanoscale level? Investigate this question by studying the quantum transport properties of specific molecular systems and comparing their results to theoretical predictions.
asked
5 days
ago
in
Quantum Chemistry
0
votes
1
answer
19
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How does the concentration of the catalyst affect the reaction rate of the decomposition of hydrogen peroxide?
asked
6 days
ago
in
Chemical kinetics
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votes
1
answer
29
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What is the chemical principle behind the prediction of color in transition metal complexes and how can it be used to predict the color of copper sulfate and cobalt chloride solutions with different ligands?
asked
Feb 18
in
Inorganic Chemistry
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votes
1
answer
8
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What is the bond energy required to break the bond between two hydrogen atoms in H2 molecule? (Given: The bond dissociation energy for H2 molecule is 436 kJ/mol).
asked
Feb 18
in
Chemical reactions
0
votes
1
answer
35
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What are the factors that affect the photobleaching efficiency of fluorescent dyes and how can this be optimized for live-cell imaging applications?
asked
Feb 14
in
PhotoChemistry
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votes
1
answer
35
views
How can we improve the thermal stability of polystyrene to avoid degradation during high-temperature processing?
asked
Feb 13
in
Polymer Chemistry
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1
answer
30
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How can the principles of chemistry be applied to real-world situations, such as the production of food additives or the development of new medicines?
asked
Feb 10
in
Chemical education
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votes
1
answer
33
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How can medicinal chemists modify existing antibiotics to create new compounds that are effective against drug-resistant bacteria strains, specifically targeting the mechanisms that these bacteria use to resist traditional antibiotics?
asked
Feb 5
in
Medicinal Chemistry
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votes
1
answer
38
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Design a chemical reactor that can produce 100 kg of ammonia per hour using the Haber Process, given the following parameters: - Temperature: 450°C- Pressure: 200 atm- Catalysts: Magnetite and Alumina- Reactants: Nitrogen and Hydrogen at a 3:1 molar ratio.
asked
Feb 3
in
Chemical engineering
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votes
1
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54
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Calculate the standard entropy change for the reaction: 2SO3(g) + O2(g) → 2SO4(g) Given the following standard entropies of formation: ΔS°f SO3(g) = 256.2 J/K mol ΔS°f O2(g) = 205.0 J/K mol ΔS°f SO4(g) = 296.8 J/K mol
asked
Feb 3
in
Inorganic Chemistry
0
votes
1
answer
52
views
Calculate the standard enthalpy change (in kJ/mol) for the following chemical reaction at 298 K:2SO2(g) + O2(g) → 2SO3(g)Given the standard enthalpies of formation (∆Hf°) at 298 K for SO2(g), O2(g), and SO3(g) are -296.8 kJ/mol, 0 kJ/mol, and -396.0 kJ/mol, respectively.
asked
Feb 3
in
Physical Chemistry
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votes
1
answer
88
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How does a decrease in ATP concentration affect the activity of the enzyme pyruvate kinase in glycolysis pathway?
asked
Jan 30
in
BioChemistry
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votes
1
answer
57
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Calculate the concentration of Cu2+ ions in a 0.1 M CuSO4 solution using the given standard reduction potential of Cu2+/Cu electrode and the measured cell potential. The electrode potential of the cell is 0.78 V and temperature is 25°C.
asked
Jan 23
in
ElectroChemistry
+1
vote
1
answer
56
views
What is the oxidation state of nitrogen in the compound potassium nitrate (KNO3)?
asked
Jan 21
in
Inorganic Chemistry
0
votes
1
answer
103
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What is the functional group present in a sample compound that shows peaks at 1734 cm^-1 and 1640 cm^-1 on an infrared spectrum?
asked
Jan 21
in
Organic Chemistry
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1
answer
36
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What are the implications of the dual-coding theory for memory?
asked
Jan 20
in
Psychology
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votes
1
answer
53
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What is the relationship between emotion and mental rotation?
asked
Jan 20
in
Psychology
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votes
1
answer
42
views
How does deep brain stimulation DBS affect the brain?
asked
Jan 17
in
Psychology
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1
answer
30
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What is the relationship between identity and depression?
asked
Jan 15
in
Psychology
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votes
1
answer
53
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Who suggested the idea of mismatch diseases?
asked
Jan 15
in
Psychology
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