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Recent activity by NoeX25113136
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How does the reaction rate of a chemical reaction change when the solvent is changed from water to ethanol?
answered
3 days
ago
in
Chemical kinetics
1
answer
20
views
How does the polarity of the solvent affect the rate of a photochemical reaction of a particular compound and what is the mechanism behind it?
answered
3 days
ago
in
PhotoChemistry
1
answer
26
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How does the pH of a solution affect the rate of a photochemical reaction and what is the optimal pH range for maximizing the yield of the product in this specific reaction?
answered
3 days
ago
in
PhotoChemistry
1
answer
21
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How does the particle size of magnetic materials affect their magnetic properties and suitability for use in data storage devices?
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3 days
ago
in
Materials Chemistry
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12
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What is the most effective catalyst for the oxidation reaction of carbon monoxide (CO) to carbon dioxide (CO2) in a gas mixture containing both CO and CO2?
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4 days
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Physical Chemistry
1
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31
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What are the key factors affecting the mechanical properties of polymer-based materials used for 3D printing, and how can these be optimized for specific applications?
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5 days
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Polymer Chemistry
1
answer
27
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What is the heat of formation of hydrogen chloride (HCl) if the enthalpy change of the reaction 2H2(g) + Cl2(g) -> 2HCl(g) is -184.6 kJ/mol?
asked
5 days
ago
in
Chemical bonding
1
answer
32
views
What is the optimum conditions (concentration, temperature, and reaction time) for the preparation of phenylalanine from benzyl chloride and ammonia using the Gabriel synthesis method?
answered
5 days
ago
in
Chemical synthesis
1
answer
27
views
What is the effect of temperature on the surface tension of a lipid bi-layer in a biomembrane? Use surface tension measurements and analysis of fatty acid composition to determine the changes in the structure and properties of the biomembrane.
answered
5 days
ago
in
Surface Chemistry
1
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19
views
What is the effect of different concentrations of inorganic salts on the electric conductivity of their solutions?
asked
6 days
ago
in
Inorganic Chemistry
1
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23
views
What is the balanced equation for the precipitation reaction between silver nitrate and potassium chloride?
answered
Feb 17
in
Chemical reactions
1
answer
23
views
If 2.5 moles of NaOH reacts with excess HCl, how many moles of NaCl can be produced?
answered
Feb 17
in
Chemical reactions
1
answer
22
views
How does the addition of carbon nanotubes (CNTs) as a reinforcement material affect the mechanical properties of polymer-based composites used in aerospace applications?
answered
Feb 17
in
Polymer Chemistry
1
answer
32
views
What is the acidity or basicity (pH) of sulfuric acid (H2SO4)? Show the balanced equation for the dissociation of H2SO4 and calculate the concentration of hydrogen ions (H+) in a 0.1M solution of sulfuric acid.
answered
Feb 14
in
Chemical bonding
1
answer
43
views
How does soil contamination with heavy metals affect the growth of agricultural crops?
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Feb 14
in
Environmental Chemistry
1
answer
9
views
How to design a paint and coating production system that ensures quality, efficiency, and environmental sustainability while using cost-effective and readily available materials?
asked
Feb 12
in
Chemical engineering
1
answer
10
views
How can the photochemical properties of fluorescent dyes be utilized to study biological systems and what are the considerations that need to be made when selecting a fluorescent dye for a particular application in photochemistry?
answered
Feb 10
in
PhotoChemistry
1
answer
36
views
How can the mechanical and electrical properties of polymer-based electronic materials be optimized for use in electronic devices?
asked
Feb 7
in
Polymer Chemistry
1
answer
33
views
How can inadequate training for chemistry teachers be improved to better equip them with the knowledge and skills necessary to effectively teach and engage students in the subject of chemistry?
answered
Feb 6
in
Chemical education
1
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30
views
How can chemistry students overcome limited access to laboratory equipment and facilities and still effectively learn and apply experimental techniques in the field?
asked
Feb 5
in
Chemical education
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