Login
Remember
Register
Science Q&A Sarvan.Net
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
About Us
XML Sitemap
Terms of Service
User VeolaBenjafi
Wall
Recent activity
All questions
All answers
Ask a Question
Questions by VeolaBenjafi
0
votes
1
answer
24
views
What is the optimum reaction condition for the synthesis of polystyrene from styrene monomer, in terms of temperature and initiator concentration, to achieve the highest yield and highest molecular weight?
asked
6 days
ago
in
Chemical synthesis
0
votes
1
answer
24
views
What is the mechanism of a nucleophilic substitution reaction between 1-bromobutane and sodium hydroxide in ethanol solvent? Provide the balanced chemical equation and draw the reaction mechanism, indicating the intermediates and the transition state.
asked
6 days
ago
in
Organic Chemistry
0
votes
1
answer
18
views
What is the most efficient method for synthesizing 2,4,6-trinitrotoluene from toluene and nitric acid with high yield and purity, while minimizing any potential environmental hazards?
asked
6 days
ago
in
Chemical synthesis
0
votes
1
answer
30
views
What is the relationship between the chemical shift and the electron density in a sample analyzed by nuclear magnetic resonance (NMR) spectroscopy, and how can this information be used to determine the purity and structure of an organic compound?
asked
Feb 18
in
Physical Chemistry
0
votes
1
answer
32
views
What are the electronic and magnetic properties of [Fe(H2O)6]2+ complex ion and how do they affect its reactivity towards ligands?
asked
Feb 17
in
Quantum Chemistry
0
votes
1
answer
46
views
What factors affect the bond strength of a molecule and how can the bond strength be predicted using these factors? Provide specific examples of molecules and the trends observed in their bond strengths based on these factors.
asked
Feb 14
in
Chemical bonding
0
votes
1
answer
42
views
How does the binding of specific transcription factors to DNA sequences result in the regulation of gene expression in eukaryotic cells?
asked
Feb 13
in
BioChemistry
0
votes
1
answer
40
views
What is the mechanism of CFCs in the destruction of the ozone layer and what are the potential consequences of ozone layer depletion on the environment and human health?
asked
Feb 12
in
Environmental Chemistry
0
votes
1
answer
48
views
How can the size and shape of quantum dots be controlled using different synthesis methods in materials chemistry, and what impact does this have on their photoluminescence properties?
asked
Feb 10
in
Materials Chemistry
0
votes
1
answer
45
views
How can the molecular weight of polyacrylonitrile be controlled during its synthesis from acrylonitrile monomer, and what factors affect the formation and properties of the resulting polymer?
asked
Feb 10
in
Chemical synthesis
0
votes
1
answer
31
views
How can the concepts of chemical reactions and stoichiometry be applied to the real-world scenario of baking a cake? Specifically, how can you calculate the amount of baking soda needed to react with the amount of vinegar in a recipe to produce the optimal amount of carbon dioxide for a fluffy cake?
asked
Feb 6
in
Chemical education
0
votes
1
answer
67
views
Why do some researchers suggest that environmental factors, such as exposure to lead and other toxins, may contribute to violent behaviour?
asked
Jan 20
in
Psychology
0
votes
1
answer
39
views
What is the replication crisis in psychology?
asked
Jan 16
in
Psychology
0
votes
1
answer
27
views
Compare the pharmacological and cognitive effects of amphetamines and cocaine.
asked
Jan 16
in
Psychology
0
votes
1
answer
39
views
How is the psychodynamic theory used in therapy?
asked
Jan 15
in
Psychology
0
votes
1
answer
41
views
What is a positive correlation?
asked
Jan 14
in
Psychology
0
votes
1
answer
15
views
Which part of the body has mucus and hair to trap dust and also warms and moistens air so to not harm lung tissue?
asked
Jan 8
in
Science
0
votes
1
answer
44
views
What system makes sure leaked blood returns back to the bloodstream?
asked
Jan 7
in
Science
0
votes
1
answer
33
views
What helps ensure that, at least, some species will survive environmental change?
asked
Jan 6
in
Science
0
votes
1
answer
65
views
What do farmers use greenhouses for?
asked
Jan 6
in
Science
Page:
1
2
next »
36.1k
questions
35.9k
answers
2
comments
7.3k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(13.6k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
...