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What are the significant discoveries and contributions of the early chemists in the evolution of chemistry, and how did they impact the development of modern chemistry?
answered
1 day
ago
in
Chemical education
0
votes
21
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How does the prediction of electronic and magnetic properties of topological materials using quantum chemistry aid in the design and development of advanced electronic devices with improved performance and efficiency?
answered
3 days
ago
in
Quantum Chemistry
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24
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What is the pH value of a solution that has a hydrogen ion concentration of 1.5 x 10^-6 M, as measured using a pH meter?
answered
3 days
ago
in
Analytical Chemistry
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29
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How does the formation of the thymine dimer affect DNA replication and what mechanisms are in place to repair this type of damage?
answered
5 days
ago
in
BioChemistry
0
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27
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What is the effect of temperature on the adsorption of hydrogen gas on a solid surface of activated carbon? Provide experimental evidence to support your answer.
answered
5 days
ago
in
Surface Chemistry
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25
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How does the chemical structure of polymers affect their adhesion properties to different surfaces?
answered
Feb 18
in
Polymer Chemistry
0
votes
29
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What is the predicted geometry and polarity of the inorganic molecule sulfur hexafluoride (SF6)?
answered
Feb 14
in
Inorganic Chemistry
0
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25
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What is the difference between primary, secondary, and tertiary amines, and how do their structures affect their physical and chemical properties?
answered
Feb 14
in
Organic Chemistry
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30
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How can we optimize the release rate of a drug from a polymer-based drug delivery system?
answered
Feb 14
in
Polymer Chemistry
0
votes
43
views
What is the mechanism of the nucleophilic addition reaction of ethanol with propanal in the presence of an acid catalyst, and how does the resulting product differ from the product formed if a base catalyst were used instead?
answered
Feb 13
in
Organic Chemistry
0
votes
9
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How to design a system for the production of strawberry flavor, keeping in mind that the product should be free of any toxic impurities and should comply with the food industry regulations?
answered
Feb 12
in
Chemical engineering
0
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40
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How can we design a drug candidate that targets the specific receptor involved in Parkinson's disease without causing adverse effects on other receptors in the brain?
answered
Feb 12
in
Medicinal Chemistry
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51
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How does the computational modeling of enzyme catalysis provide information on the reaction mechanism and active site of the enzyme?
answered
Feb 12
in
Computational Chemistry
0
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42
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How can the refractive index of a polymer-based optical material be tuned to achieve a desired optical property, and what factors affect the refractive index of such materials?
answered
Feb 10
in
Polymer Chemistry
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37
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How can the mechanical properties of metal alloys be optimized for aerospace applications, such as reducing weight while maintaining strength and durability, and what factors influence these optimizations?
answered
Feb 10
in
Materials Chemistry
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46
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How can the mechanical properties of a polymer-based adhesive or sealant be optimized for a specific application?
answered
Feb 10
in
Polymer Chemistry
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35
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How can sustainable agriculture practices, such as crop rotation and companion planting, be utilized to reduce the environmental impact of nitrogen fertilizers on soil and water quality?
answered
Feb 6
in
Environmental Chemistry
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10
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Consider the reaction: 2H2(g) + O2(g) → 2H2O(g) ΔH= −483.6 kJ/molAt constant temperature and pressure, 4 moles of hydrogen and 2 moles of oxygen are allowed to react. What is the maximum amount of work that can be obtained from this reaction?
answered
Feb 3
in
Physical Chemistry
0
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101
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What are the key structural features of cancer cells that can be targeted by drugs in order to selectively kill them, and how can medicinal chemists optimize the design of such drugs to increase their efficacy and minimize their side effects?
answered
Jan 31
in
Medicinal Chemistry
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75
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What is the bond angle and shape of the water molecule according to the principles of quantum mechanics and molecular structure?
answered
Jan 30
in
Physical Chemistry
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