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What is the exact chemical reaction that occurs during the preparation of 2,4-dinitrophenylhydrazine from hydrazine and 2,4-dinitrochlorobenzene? Also, what are the specific conditions required for this reaction to proceed efficiently?
asked
Feb 22
in
Chemical synthesis
0
votes
1
answer
29
views
What is the most effective method to measure and control the emission of VOCs from industrial processes and how can it be optimized for better air quality?
asked
Feb 21
in
Environmental Chemistry
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votes
1
answer
26
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What is the effect of increasing the concentration of NaCl in a solution on the solubility of a sparingly soluble salt, such as AgCl? Show the calculations and explain the reasoning behind your answer.
asked
Feb 19
in
Chemical equilibrium
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votes
1
answer
30
views
How does the coordination chemistry of chelating agents influence their effectiveness in chelation therapy for heavy metal poisoning?
asked
Feb 19
in
Coordination Chemistry
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1
answer
39
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What are the methods for measuring protein degradation and turnover rates in a biological system? In particular, how can the use of isotopic labeling and pulse-chase experiments be used to study the kinetics of protein turnover?
asked
Feb 14
in
BioChemistry
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votes
1
answer
103
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Calculate the volume of 0.2 M hydrochloric acid required to completely neutralize 25 mL of 0.1 M sodium hydroxide solution.
asked
Feb 3
in
Chemical reactions
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1
answer
116
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What is the chemical process responsible for the formation of acid mine drainage, and how does it impact the water quality of nearby streams and rivers? Can this process be controlled or neutralized to prevent further damage to the environment?
asked
Jan 30
in
Environmental Chemistry
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votes
1
answer
62
views
Calculate the heat of mixing when 100 mL of 1.0 M HCl is mixed with 100 mL of 1.0 M NaOH at 25°C. The specific heat of the resulting solution is 4.18 J/g°C and the final temperature of the solution is 30°C. Assume the heat capacities of HCl, NaOH, and water are negligible.
asked
Jan 23
in
ThermoChemistry
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votes
1
answer
43
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According to the cognitive theory, what is catastrophizing?
asked
Jan 17
in
Psychology
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1
answer
46
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What are the limitations of the behavioural approach to leadership?
asked
Jan 16
in
Psychology
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votes
1
answer
63
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Where can the social identity theory be applied in everyday life?
asked
Jan 15
in
Psychology
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votes
1
answer
95
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According to attachment theory, what impact does consistent care and attention have on adolescent development?
asked
Jan 15
in
Psychology
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0
answers
63
views
Who proposed the Cognitive Behavioural Theory?
asked
Jan 15
in
Psychology
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votes
1
answer
65
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What is the definition of 'collective memory'?
asked
Jan 14
in
Psychology
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votes
1
answer
113
views
Where do greenhouse gases trap heat?
asked
Jan 8
in
Science
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votes
1
answer
82
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What type of coal is formed at lower temperatures?
asked
Jan 8
in
Science
0
votes
1
answer
69
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What type of cells have chloroplasts?
asked
Jan 8
in
Science
0
votes
1
answer
70
views
What term is used to describe a bond formed by the overlap of orbitals in an end-to-end fashion, with the electron density concentrated between the nuclei of the bonding atoms?
asked
Jan 7
in
Science
0
votes
1
answer
50
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Major exchange pools of carbon include organisms and what else?
asked
Dec 31, 2024
in
Science
0
votes
1
answer
85
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Giardiasis and malaria are diseases caused by what organism?
asked
Dec 30, 2024
in
Science
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