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1
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22
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How does the size and shape of a nanoparticle affect its behavior and properties, as analyzed through molecular dynamics simulations?
asked
23 hours
ago
in
Computational Chemistry
0
votes
1
answer
15
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How do the physical properties of ionic liquids change with different cation and anion combinations?
asked
3 days
ago
in
Physical Chemistry
0
votes
1
answer
28
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What is the optimal concentration of nitric acid and sulfuric acid in the preparation of 2,4,6-trinitrotoluene from toluene to achieve the highest yield and purity of the final product?
asked
3 days
ago
in
Chemical synthesis
0
votes
1
answer
17
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What is the effect of varying concentration of reactants on the rate of a chemical reaction?
asked
5 days
ago
in
Chemical kinetics
0
votes
1
answer
42
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How does the concentration of heavy metals in water affect the growth and survival of fish in aquatic ecosystems, and what are some methods of remediation that can be used to mitigate the negative impacts of water pollution on aquatic life?
asked
6 days
ago
in
Environmental Chemistry
0
votes
1
answer
25
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How does the addition of nanoparticles affect the mechanical properties of polymer nanocomposites, and how does the size, shape, and concentration of the nanoparticles influence these properties?
asked
Feb 17
in
Polymer Chemistry
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votes
1
answer
9
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How does quantum coherence and entanglement affect the behavior and properties of molecular and nanoscale systems, and how can this understanding be applied to designing more efficient and precise chemical reactions?
asked
Feb 14
in
Quantum Chemistry
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votes
1
answer
20
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How can we predict the crystal structure of inorganic solids with different compositions and bonding arrangements?
asked
Feb 14
in
Inorganic Chemistry
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votes
1
answer
34
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What is the role of metal ions in the structure and function of metalloenzymes and metalloproteins, and how does their coordination chemistry contribute to their catalytic activity?
asked
Feb 13
in
Coordination Chemistry
0
votes
1
answer
46
views
How can the recovery of valuable metals such as gold, silver, and copper be optimized from electronic waste through a chemical engineering process that is environmentally sustainable and economically feasible?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
21
views
How can chemistry students learn and conduct experiments effectively in a limited access laboratory setting?
asked
Feb 5
in
Chemical education
0
votes
1
answer
40
views
Calculate the standard enthalpy change for the vaporization reaction of 25.0 g of water at 100°C and atmospheric pressure (1 atm).
asked
Feb 3
in
Chemical thermodynamics
0
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1
answer
39
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Calculate the rate of the electrochemical reaction that takes place in the following electrolytic cell:Cu(s) | Cu2+(aq, 0.050 M) || Ag+(aq, 0.010 M) | Ag(s)Given that the current density is 0.500 A/m2 and the Faraday constant is 96,485 C/mol. The reduction potential of Cu2+(aq) + 2e- → Cu(s) is +0.34 V, and the reduction potential of Ag+(aq) + e- → Ag(s) is +0.80 V. Assume the temperature is 25°C and one-unit charge is exchanged.
asked
Feb 3
in
ElectroChemistry
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votes
1
answer
77
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How can we use X-ray fluorescence spectroscopy to determine the concentration of a specific element in a given sample? Please provide an experimental procedure and discuss the limitations and sources of error in this technique.
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
83
views
How can the concentration of lead in a water sample be quantified using atomic absorption spectroscopy?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
65
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Calculate the Gibbs free energy change at standard conditions for the following synthesis reaction: CO2 (g) + 2H2 (g) → CH3OH (g)
asked
Jan 23
in
Physical Chemistry
0
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1
answer
45
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Where was the first study on phenelzine Nardil conducted for anxiety?
asked
Jan 20
in
Psychology
0
votes
1
answer
31
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When working towards community action, what is the end goal of community psychologists?
asked
Jan 17
in
Psychology
0
votes
1
answer
27
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What is the purpose of a chi-squared test?
asked
Jan 17
in
Psychology
0
votes
1
answer
36
views
According to cognitive behavioural therapy, what is the role of automatic thoughts?
asked
Jan 16
in
Psychology
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