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0
votes
1
answer
37
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How does the size and shape of a catalyst affect its activity and selectivity in a chemical reaction?
asked
Feb 24
in
Quantum Chemistry
0
votes
1
answer
30
views
What is the mechanism of the Pinacol-Pinacolone rearrangement reaction and how does it occur? Provide a step-by-step explanation of the process and give examples of substrates that can undergo this reaction.
asked
Feb 22
in
Organic Chemistry
0
votes
1
answer
30
views
How do the photochemical properties of photosensitive materials affect the quality and longevity of photographic prints and negatives?
asked
Feb 22
in
PhotoChemistry
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votes
1
answer
28
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How does the incorporation of nanoparticles into polymer-based coatings affect their properties and performance in terms of adhesion, corrosion resistance, and durability?
asked
Feb 20
in
Polymer Chemistry
0
votes
1
answer
39
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What is the coordination geometry of [Fe(H2O)6]2+ in aqueous solution, as determined by UV-Vis spectroscopy?
asked
Feb 19
in
Coordination Chemistry
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votes
1
answer
39
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What spectroscopic technique(s) can be used to determine the metal-ligand bond strength in coordination compounds and how does the strength of the bond affect the observed spectra?
asked
Feb 14
in
Coordination Chemistry
0
votes
1
answer
58
views
How do metal ions coordinate with enzymes and proteins to facilitate chemical reactions? Give an example of a metalloenzyme and describe its coordination chemistry.
asked
Feb 13
in
Coordination Chemistry
+1
vote
1
answer
70
views
What is the oxidation state of nitrogen in the compound NH4NO3?
asked
Feb 13
in
Inorganic Chemistry
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votes
1
answer
69
views
What is the effect of changing the reactant concentration on the reaction rate for a second-order chemical reaction? Provide experimental evidence to support your answer.
asked
Feb 13
in
Chemical kinetics
0
votes
1
answer
35
views
How does the chirality of a molecule affect its biological activity? Provide examples of a chiral molecule with different biological activities based on its stereochemistry.
asked
Feb 12
in
Organic Chemistry
0
votes
1
answer
93
views
How can the production of solvent-based paint formulations be optimized to achieve maximum efficiency and reduce environmental impact in the chemical engineering design of production systems for paints and coatings?
asked
Feb 10
in
Chemical engineering
0
votes
1
answer
30
views
How can the prediction of chemical reactivity and selectivity using quantum chemistry be applied to optimize drug design and synthesis?
asked
Feb 10
in
Quantum Chemistry
0
votes
1
answer
38
views
How can the chemical properties of natural compounds found in traditional medicines for gastrointestinal diseases be optimized or modified through synthetic chemical approaches to improve their therapeutic efficacy, specificity, and safety?
asked
Feb 6
in
Medicinal Chemistry
0
votes
1
answer
92
views
What is the electronic structure and molecular geometry of benzene, and how can it be determined using quantum chemical calculations?
asked
Jan 31
in
Quantum Chemistry
0
votes
1
answer
40
views
What are some major milestones in the evolution of chemistry, and how have they contributed to the development of modern chemistry? Provide specific examples of historical discoveries or advancements, and explain their significance in the context of chemistry's evolution as a science.
asked
Jan 30
in
Chemical education
0
votes
1
answer
101
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A chemistry student wants to synthesize alum (KAl(SO4)2.12H2O) from 12 g of potassium hydroxide (KOH) and excess sulfuric acid (H2SO4). If the actual yield of the reaction is 9.3 g, what is the percent yield of this reaction?
asked
Jan 22
in
Chemical reactions
0
votes
1
answer
121
views
A chemistry student wants to calculate the enthalpy of adsorption for the adsorption of nitrogen gas on a solid adsorbent. The student knows that the initial and final pressures of the nitrogen gas are 1 bar and 0.5 bar, respectively, and the surface area of the adsorbent is 2m^2/g. The student also has data on the temperature and the amount of nitrogen gas adsorbed on the adsorbent. Can you help the student calculate the enthalpy of adsorption?
asked
Jan 22
in
ThermoChemistry
0
votes
1
answer
57
views
How does the routine activity theory explain the role of situational factors in the occurrence of violence?
asked
Jan 20
in
Psychology
0
votes
1
answer
61
views
What does outcome research suggest about authoritative parenting?
asked
Jan 20
in
Psychology
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1
answer
99
views
According to the constructive perception theory, how is perception influenced by context?
asked
Jan 20
in
Psychology
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