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User AnnPruett84
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What is the relationship between the photoluminescence intensity of quantum dots and the size of the quantum dots, and how does this relationship vary for different types of quantum dots?
asked
1 day
ago
in
PhotoChemistry
1
answer
6
views
How does the photochemical behavior of a supramolecular assembly vary with changes in its structure and composition?
answered
4 days
ago
in
PhotoChemistry
1
answer
33
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How does the level of nutrient concentration affect the growth and population dynamics of algae and other aquatic plants in a eutrophic lake?
asked
5 days
ago
in
Environmental Chemistry
1
answer
28
views
What is the mechanism of the Hofmann elimination reaction and how does it differ from the E2 reaction? Provide an example of each reaction and explain the factors that affect their selectivity.
answered
5 days
ago
in
Organic Chemistry
1
answer
26
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What is the effect of the anion type on the viscosity of different ionic liquids at varying temperatures and pressure?
asked
6 days
ago
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Physical Chemistry
1
answer
32
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How does the concentration of ATP affect the regulation of glycolysis in the metabolic pathway of glucose metabolism?
asked
Feb 18
in
BioChemistry
1
answer
27
views
How does the chemical structure of a photochromic material affect its photochemical properties such as color, fluorescence, and photoisomerization?
asked
Feb 18
in
PhotoChemistry
1
answer
36
views
How does the change in pH of a reaction affect the reaction rate of the decomposition of hydrogen peroxide catalyzed by an acid?
asked
Feb 18
in
Chemical kinetics
1
answer
31
views
Using the Arrhenius equation, calculate the activation energy for a first-order reaction that has a rate constant of 0.005 s^-1 at 25°C and 0.01 s^-1 at 35°C.
answered
Feb 17
in
Physical Chemistry
1
answer
18
views
How does the addition of nanoparticles affect the rheological properties of polymer melts?
answered
Feb 17
in
Polymer Chemistry
1
answer
26
views
How does surface modification of biomaterials affect their biocompatibility and cellular interactions?
asked
Feb 17
in
Surface Chemistry
1
answer
6
views
What is the specific chemical structure of RNA and how do the base pairings differ from DNA? How does the structure of RNA contribute to its function within the cell?
answered
Feb 14
in
BioChemistry
1
answer
28
views
What is the role of protein-protein interactions and complexes in the formation of enzymes and their catalytic activity? Provide examples of how such interactions contribute to the specificity and efficiency of enzyme activity.
asked
Feb 14
in
BioChemistry
1
answer
31
views
How does the enzyme nitrogenase catalyze the conversion of atmospheric nitrogen gas into ammonia during nitrogen fixation, and what is the role of the metal-containing cofactor in this process?
asked
Feb 14
in
BioChemistry
1
answer
47
views
How to design a cost-effective, efficient and sustainable system for producing hydrogen fuel from renewable sources such as solar and wind energy, using chemical engineering principles and techniques?
answered
Feb 12
in
Chemical engineering
1
answer
51
views
How do chlorofluorocarbons affect the concentration of ozone in the atmosphere, and what are the potential consequences of ozone depletion for human health and the environment?
asked
Feb 12
in
Environmental Chemistry
1
answer
44
views
How can the synthesis of polyethylene from ethylene monomer be optimized to improve the properties of the final product in terms of strength and density?
answered
Feb 11
in
Chemical synthesis
1
answer
39
views
How can the properties of different compounds be manipulated in order to develop more effective treatments for skin diseases, such as eczema or psoriasis?
asked
Feb 10
in
Medicinal Chemistry
1
answer
30
views
How can the design of a treatment system for industrial wastewater mitigate the environmental impact of harmful chemicals used in the manufacturing process?
asked
Feb 7
in
Chemical engineering
1
answer
32
views
How can students in schools with limited availability of chemistry-related extracurricular activities still gain practical experience in the field?
answered
Feb 5
in
Chemical education
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