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Answers by OctavioCarva
0
votes
38
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How does the self-assembly of supramolecular structures contribute to the development of new materials with unique properties, and how can this be used in practical applications such as drug delivery systems or advanced electronic devices?
answered
Feb 24
in
Physical Chemistry
0
votes
27
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What is the specific reaction mechanism and stoichiometry for the preparation of 2,4-dinitrophenylhydrazine from hydrazine and 2,4-dinitrochlorobenzene, and how can this synthesis process be optimized for higher yields and purity?
answered
Feb 22
in
Chemical synthesis
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votes
12
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How does the pore size and shape of zeolites affect their catalytic activity in the conversion of methanol to gasoline? Use computational chemistry methods to determine the most effective zeolite catalyst for this process.
answered
Feb 22
in
Computational Chemistry
0
votes
27
views
What is the maximum adsorption capacity of activated carbon for a specific pollutant and how does it vary with changes in factors such as pH, temperature, and initial pollutant concentration?
answered
Feb 20
in
Surface Chemistry
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votes
25
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What is the impact of magnetic particle size on the coercivity and remanence of magnetic materials used for data storage?
answered
Feb 20
in
Materials Chemistry
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votes
38
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What is the maximum surface coverage of nitrogen gas on a platinum surface at 25°C and a pressure of 1 atm, according to the Langmuir adsorption isotherm data with a Langmuir constant of 0.25 L/mole?
answered
Feb 20
in
Surface Chemistry
0
votes
30
views
What is the critical micelle concentration (CMC) of sodium dodecyl sulfate (SDS) in water at a temperature of 25°C and how does it vary with the addition of salt to the solution?
answered
Feb 19
in
Surface Chemistry
0
votes
38
views
What is the bond length between two carbon atoms in a molecule of ethylene (C2H4), given that the distance between the nuclei of the two carbon atoms is 1.33 Å? Additionally, what is the percent ionic character of the carbon-carbon bond?
answered
Feb 18
in
Chemical bonding
0
votes
33
views
How do the chemicals and pollutants present in air, such as sulfur dioxide and nitrogen oxides, contribute to respiratory health problems in humans and what can be done to minimize their impact?
answered
Feb 14
in
Environmental Chemistry
0
votes
13
views
How can the yield of a pharmaceutical drug production process be improved to increase the overall efficiency and reduce the cost of production?
answered
Feb 13
in
Chemical engineering
0
votes
57
views
What is the role of DNA polymerases during DNA replication and how do they ensure the accuracy of DNA synthesis? Provide specific examples of proofreading mechanisms used by DNA polymerases to maintain the integrity of the genetic code.
answered
Feb 12
in
BioChemistry
0
votes
72
views
What are the photochemical properties of cisplatin complex and how do they impact the effectiveness of the drug in cancer treatment?
answered
Feb 12
in
PhotoChemistry
0
votes
68
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How can the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer be optimized to achieve a higher yield and purity of the final product, while minimizing unwanted byproducts and waste?
answered
Feb 11
in
Chemical synthesis
0
votes
33
views
How can computational tools be used in molecular docking studies to identify potential drug molecules that can target specific proteins involved in disease pathways?
answered
Feb 6
in
Computational Chemistry
0
votes
31
views
How can practical applications of chemistry be better incorporated into the curriculum to improve students' understanding and appreciation of the subject?
answered
Feb 5
in
Chemical education
0
votes
35
views
How can pharmacogenetics be used to predict an individual's response to a specific drug and optimize drug therapy for that individual?
answered
Feb 5
in
Medicinal Chemistry
0
votes
33
views
How can chemistry teachers effectively incorporate safety protocols into their lesson plans to ensure a safe and educational experience for students in the lab?
answered
Feb 5
in
Chemical education
0
votes
32
views
How can chemistry students be given increased access to current research in the field, and what strategies can educators implement to better integrate this research into classroom instruction and student learning experiences?
answered
Feb 4
in
Chemical education
0
votes
56
views
How can Raman spectroscopy be used to identify the presence of specific compounds in a complex sample, such as a mixture of organic molecules?
answered
Jan 29
in
Analytical Chemistry
0
votes
82
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Calculate the equilibrium constant (Kc) for the reaction between nitrogen gas (N2) and hydrogen gas (H2) to form ammonia gas (NH3) at a temperature of 400 K. The reaction is written as follows: N2(g) + 3H2(g) ⇌ 2NH3(g) Given the equilibrium concentrations are [N2] = 0.10 M, [H2] = 0.20 M, and [NH3] = 1.0 M.
answered
Jan 23
in
Chemical thermodynamics
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