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0
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1
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21
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What is the specific reaction mechanism and stoichiometry for the preparation of 2,4-dinitrophenylhydrazine from hydrazine and 2,4-dinitrochlorobenzene, and how can this synthesis process be optimized for higher yields and purity?
asked
4 days
ago
in
Chemical synthesis
0
votes
1
answer
17
views
What is the polarity of the bond between nitrogen and fluorine in the molecule NF3?
asked
4 days
ago
in
Chemical bonding
0
votes
1
answer
34
views
What is the chemical mechanism by which Chlorofluorocarbons (CFCs) react with ozone molecules in the atmosphere, leading to the depletion of the ozone layer and subsequent environmental effects?
asked
Feb 18
in
Environmental Chemistry
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votes
1
answer
21
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What is the balanced chemical equation for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH), and how many moles of sodium chloride (NaCl) will be produced when 50 mL of 0.1 M HCl is reacted with excess NaOH?
asked
Feb 17
in
Chemical reactions
0
votes
1
answer
31
views
How do the surface-active agents in detergents and cleaning agents interact with oil and water to effectively remove stains and grime from different surfaces?
asked
Feb 17
in
Surface Chemistry
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votes
1
answer
11
views
How can the structure of a drug molecule be designed to effectively treat metabolic disorders such as diabetes, obesity, or hyperlipidemia without producing severe side effects?
asked
Feb 11
in
Medicinal Chemistry
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votes
1
answer
35
views
How can medicinal chemists develop new treatments for skin diseases that are both effective and safe for long-term use?
asked
Feb 6
in
Medicinal Chemistry
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votes
1
answer
29
views
How can chemistry students overcome the limited availability of chemistry-related internships and job opportunities to gain more practical experience in the field?
asked
Feb 5
in
Chemical education
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votes
1
answer
43
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Design a synthesis pathway for the production of 2-butyne from 1-bromobutane, including all necessary reagents and reaction mechanisms.
asked
Feb 4
in
Organic Chemistry
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votes
1
answer
59
views
How can Raman spectroscopy be used to identify the presence of specific compounds in a sample? Provide a detailed explanation and example of its application in identifying the presence of a specific compound in a given sample.
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
53
views
A beaker containing 1L of water is divided into two equal compartments by a semi-permeable membrane. One side of the membrane has 1M NaCl solution and the other side is pure water. Determine the time taken for the concentration of NaCl on both sides of the membrane to become equal through diffusion. Given: Molecular weight of NaCl is 58.44 g/mol, and diffusion coefficient of NaCl in water is 1.6 x 10^-9 m^2/s.
asked
Jan 22
in
Physical Chemistry
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votes
1
answer
12
views
Where might we find evidence of the replicability of a theory in organisational psychology?
asked
Jan 16
in
Psychology
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1
answer
30
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When evaluating the theories of love, what is the triangular theory of love?
asked
Jan 16
in
Psychology
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votes
1
answer
32
views
What is autoethnography?
asked
Jan 16
in
Psychology
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votes
1
answer
13
views
What is the main advantage of using computational models in psychology research?
asked
Jan 15
in
Psychology
0
votes
1
answer
61
views
What is Type I error?
asked
Jan 14
in
Psychology
0
votes
1
answer
14
views
What is the difference between bottom-up and top-down processing in hearing?
asked
Jan 13
in
Psychology
0
votes
1
answer
31
views
Where does the most important monsoon in the world occur?
asked
Jan 8
in
Science
0
votes
1
answer
15
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Which nervous system consists of all the nervous tissue that lies outside the central nervous system?
asked
Jan 8
in
Science
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votes
1
answer
44
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What type of habitat do ferns need to grow?
asked
Jan 8
in
Science
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