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What is the optimal ratio of adipic acid to hexamethylenediamine that should be used in the synthesis of nylon-6,6 for maximum yield?
asked
3 days
ago
in
Chemical synthesis
0
votes
1
answer
16
views
What is the most effective method for synthesizing and characterizing a novel adsorbent material capable of removing organic pollutants from water sources with high efficiency and selectivity?
asked
4 days
ago
in
Materials Chemistry
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votes
1
answer
34
views
How does the Langmuir adsorption isotherm relate to the adsorption of a gas onto a solid surface? Illustrate your answer with a diagram and calculate the monolayer capacity of the solid from the given data using Langmuir's equation.
asked
5 days
ago
in
Surface Chemistry
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votes
1
answer
26
views
What is the mechanism for the hydration of an alkyne? Provide a step-by-step explanation of how the reaction occurs and what intermediates are formed.
asked
5 days
ago
in
Organic Chemistry
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1
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4
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What is the crystal structure of NaCl? How does it affect the physical properties of NaCl, such as its melting point and solubility, and what is the significance of this crystal structure in industrial applications of NaCl?
asked
6 days
ago
in
Physical Chemistry
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votes
1
answer
24
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What is the bond order of NO+ ion and NO− ion if the bond order of NO is calculated to be 2.5?
asked
Feb 18
in
Chemical bonding
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votes
1
answer
20
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How does the addition of different dopants affect the electronic and optical properties of perovskite materials, specifically in terms of band gap and absorption spectra?
asked
Feb 17
in
Quantum Chemistry
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votes
1
answer
47
views
What is the number of electrons transferred when zinc metal reacts with copper(II) ions in a galvanic cell? The balanced reaction is:Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
asked
Feb 13
in
ElectroChemistry
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votes
1
answer
39
views
What is the predicted acidity or basicity of the molecule H2SO4? Show the calculations and any relevant theories used to arrive at your answer.
asked
Feb 13
in
Chemical bonding
0
votes
1
answer
41
views
How effective are current environmental regulations in mitigating hazardous waste pollution, and what advancements can be made in enforcing them to promote better environmental protection?
asked
Feb 12
in
Environmental Chemistry
0
votes
1
answer
41
views
How can the sensitivity of SERS be enhanced for the efficient detection and analysis of low-concentration analytes on surfaces?
asked
Feb 10
in
Surface Chemistry
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votes
1
answer
47
views
How can the process for the production of urea-based fertilizers be optimized for increased efficiency while minimizing environmental impact?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
37
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How can the incorporation of nanoparticles to polymer-based composites enhance their mechanical and thermal properties for their use in aerospace applications?
asked
Feb 7
in
Polymer Chemistry
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1
answer
24
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How can chemistry students overcome the challenge of limited availability of chemistry-related internships and job opportunities?
asked
Feb 5
in
Chemical education
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votes
1
answer
37
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How does changing the ratio of reactants in a chemical reaction affect the rate of the reaction? Specifically, what is the effect on reaction rate when the stoichiometric ratios of reactants are altered in the reaction between A and B to form product C?
asked
Feb 3
in
Chemical kinetics
0
votes
1
answer
46
views
What is the solubility of sodium chloride (NaCl) in water at room temperature?
asked
Jan 21
in
Inorganic Chemistry
0
votes
1
answer
68
views
A chemistry student wants to prepare 250 mL of 0.15 M NaOH solution from a solid compound. What mass of NaOH is required to achieve this concentration?
asked
Jan 21
in
Inorganic Chemistry
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votes
1
answer
40
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What were the ethical concerns surrounding the Milgram Experiment?
asked
Jan 20
in
Psychology
0
votes
1
answer
31
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Who developed the SOM neural network?
asked
Jan 20
in
Psychology
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votes
1
answer
63
views
How might stress and coping theory be relevant to end-of-life care?
asked
Jan 20
in
Psychology
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