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What is the relationship between the size and shape of a nanoscale molecular system and its quantum transport properties, and how can this understanding be applied to the design and development of more efficient molecular-scale electronic devices?
answered
Feb 24
in
Quantum Chemistry
0
votes
31
views
What is the rate constant of a first-order reaction that has a half-life of 10 seconds and an initial concentration of 0.1 M?
answered
Feb 22
in
Physical Chemistry
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votes
33
views
What is the predicted molecular geometry and bond angle of the carbon dioxide (CO2) molecule?
answered
Feb 22
in
Chemical bonding
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votes
30
views
What is the optimal reaction conditions to maximize the yield of polyethylene in the synthesis of polyethylene from ethylene monomer?
answered
Feb 21
in
Chemical synthesis
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29
views
What is the most effective method for synthesizing gold nanoparticles, and how do the parameters of synthesis (such as temperature, reactant concentration and solvent choice) affect the size, shape and properties of the obtained nanoparticles?
answered
Feb 21
in
Materials Chemistry
0
votes
32
views
How does the coordination chemistry of metalloenzymes and metalloproteins influence their catalytic activity and specificity towards certain substrates?
answered
Feb 19
in
Coordination Chemistry
0
votes
34
views
What is the rate law expression for the reaction between hydrogen and oxygen gasses to form water, and what is the overall order of the reaction?
answered
Feb 17
in
Physical Chemistry
0
votes
42
views
How does temperature affect the rate of the photochemical reaction between chlorophyll and UV light? Provide experimental evidence to support your answer.
answered
Feb 17
in
PhotoChemistry
0
votes
39
views
How can we use quantum chemistry methods to predict the selectivity and efficiency of a catalyst in a specific chemical reaction?
answered
Feb 14
in
Quantum Chemistry
0
votes
40
views
How can we predict the catalytic activity and selectivity of a given molecule or catalyst using quantum chemistry methods such as density functional theory (DFT) and molecular orbital theory (MOT)?
answered
Feb 14
in
Quantum Chemistry
0
votes
73
views
What is the purity of a sample of acetanilide that has a melting point range of 112-114°C when the literature melting point range for pure acetanilide is 114-115°C?
answered
Feb 12
in
Analytical Chemistry
0
votes
42
views
How can we design luminescent materials with high quantum yield and tunable emission properties for various applications?
answered
Feb 12
in
PhotoChemistry
0
votes
46
views
How can the principles of medicinal chemistry be applied to design drugs that selectively target metabolic enzymes involved in metabolic disorders such as diabetes, obesity, and hyperlipidemia?
answered
Feb 10
in
Medicinal Chemistry
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votes
29
views
How can the principles of medicinal chemistry be applied to design drugs that effectively target genetic disorders caused by mutations in specific genes?
answered
Feb 10
in
Medicinal Chemistry
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votes
37
views
How can the chemical structure of existing drugs used to treat gastrointestinal diseases be modified to increase their effectiveness and reduce their side effects?
answered
Feb 6
in
Medicinal Chemistry
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votes
77
views
Design a chemical engineering system that can produce 500 kg of vanilla flavoring per day, using natural ingredients only. What raw materials will be needed? What is the production process involved? What safety measures should be implemented? How can sustainability be ensured in this process? Provide a detailed report on the system designed.
answered
Feb 3
in
Chemical engineering
0
votes
86
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Calculate the standard enthalpy change (ΔH°) for the reaction:2H2(g) + O2(g) → 2H2O(g)given the following bond energies:H-H = 436 kJ/mol, O=O = 498 kJ/mol, H-O = 463 kJ/mol
answered
Feb 3
in
Quantum Chemistry
0
votes
63
views
Calculate the bond order of O2, O2+, O2- and O22-.
answered
Jan 23
in
Chemical bonding
0
votes
110
views
When was the study on exposure therapy for anxiety disorders by Wolpe conducted?
answered
Jan 20
in
Psychology
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83
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When it comes to memory consolidation, what is the role of the hippocampus?
answered
Jan 20
in
Psychology
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