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What is the relationship between temperature and surface tension of a liquid, and how can it be experimentally determined using a stalagmometer and capillary rise method?
asked
1 day
ago
in
Surface Chemistry
1
answer
19
views
What is the most efficient method for synthesizing polyvinyl chloride from vinyl chloride monomer at a large scale?
asked
4 days
ago
in
Chemical synthesis
1
answer
26
views
What is the electronegativity difference between chlorine (Cl) and oxygen (O)? Determine if the bond formed between these two atoms is covalent or ionic.
answered
5 days
ago
in
Chemical bonding
1
answer
23
views
What is the effect of pressure on the melting point of water? Provide a detailed explanation of the physical changes that occur as water transitions from a solid to a liquid under varying pressure conditions.
asked
6 days
ago
in
Physical Chemistry
1
answer
33
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What is the effect of nanoparticle size on the surface area-to-volume ratio and how does this affect the properties of nanoparticles?
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6 days
ago
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Physical Chemistry
1
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36
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How does the concentration of heavy metals in soil affect the growth of plants? How can we quantitatively measure the amount of heavy metals absorbed by plants and their potential impact on human health?
answered
Feb 19
in
Environmental Chemistry
1
answer
5
views
What is the concentration of a specific pesticide residue (e.g. chlorpyrifos) in a certain type of fruit (e.g. apples) that poses a potential health risk to humans, and what environmental factors may influence the levels of this residue in the fruit?
answered
Feb 18
in
Environmental Chemistry
1
answer
25
views
How does the choice of polymer electrolyte affect the performance and efficiency of lithium-ion batteries?
asked
Feb 18
in
Polymer Chemistry
1
answer
25
views
What is the balanced chemical equation for the single replacement reaction between zinc metal and hydrochloric acid, and what products are formed?
asked
Feb 17
in
Chemical reactions
1
answer
23
views
What is the balanced chemical equation for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas, and what is the theoretical yield of 2,4-dichloronitrobenzene if 10 g of nitrobenzene is reacted with 15 g of chlorine gas?
answered
Feb 17
in
Chemical synthesis
1
answer
18
views
How does the addition of an electrolyte affect the stability of a colloid?
answered
Feb 17
in
Surface Chemistry
1
answer
26
views
How does the process of RNA transcription and translation differ in prokaryotic and eukaryotic cells?
answered
Feb 14
in
BioChemistry
1
answer
27
views
What is the role of RNA polymerase in RNA transcription, and how does it differ from DNA polymerase in DNA replication?
asked
Feb 14
in
BioChemistry
1
answer
30
views
How do nitrogen and phosphorus pollutants affect the quality of water in a particular aquatic ecosystem, and what chemical processes can be utilized to mitigate their impact?
asked
Feb 13
in
Environmental Chemistry
1
answer
31
views
How can the use of nanotechnology improve the energy storage capacity of lithium-ion batteries?
asked
Feb 13
in
Materials Chemistry
1
answer
30
views
How does the composition and structure of lipoproteins affect their role in lipid transport and metabolism in the human body?
asked
Feb 13
in
BioChemistry
1
answer
36
views
How do the industrial activities and transportation sources contribute to the emission of volatile organic compounds (VOCs) in urban areas and what is their impact on indoor and outdoor air quality?
asked
Feb 13
in
Environmental Chemistry
1
answer
10
views
How can we design drugs that effectively target HIV virus while minimizing side effects on the human body?
answered
Feb 12
in
Medicinal Chemistry
1
answer
8
views
What are the steps involved in designing a drug that specifically targets an enzyme or receptor, and how can these steps be optimized to produce a more effective drug with fewer side effects?
answered
Feb 12
in
Medicinal Chemistry
1
answer
48
views
How can the principles of medicinal chemistry be applied to design drugs that effectively target genetic mutations associated with genetic disorders such as cystic fibrosis or Huntington's disease?
asked
Feb 10
in
Medicinal Chemistry
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