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What is the mechanism of the chemical reaction between hydrazine and 2,4-dinitrochlorobenzene in the preparation of 2,4-dinitrophenylhydrazine and what are the steps involved in the synthesis process?
asked
Feb 22
in
Chemical synthesis
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votes
1
answer
31
views
What are the primary causes of ozone depletion, and what measures can be taken to reduce the emission of ozone-depleting substances and prevent further damage to the atmosphere?
asked
Feb 22
in
Environmental Chemistry
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votes
1
answer
26
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How do the electronic properties of a molecule or material affect its behavior under light irradiation, and what are the mechanisms underlying photochemical reactions and photophysical processes in such systems, as studied in quantum chemistry?
asked
Feb 20
in
Quantum Chemistry
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votes
1
answer
31
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What is the concentration of the pesticide residue Chlorpyrifos in commercially available apples and what are the potential health impacts on adults who consume these apples on a daily basis?
asked
Feb 19
in
Environmental Chemistry
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votes
1
answer
29
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How does the concentration and structure of surfactants affect the surface tension of water?
asked
Feb 17
in
Surface Chemistry
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1
answer
39
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How can the design of a heat exchanger be optimized to increase the efficiency of the process in a chemical plant that produces ethylene using a catalytic cracker? Consider the specific heat transfer requirements, flow rates, pressure drops, and heat exchange surfaces for the system.
asked
Feb 6
in
Chemical engineering
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votes
1
answer
43
views
What is response rate?
asked
Jan 20
in
Psychology
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votes
1
answer
54
views
When was the attachment theory first introduced?
asked
Jan 16
in
Psychology
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votes
0
answers
71
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When did the theory of recognition-by-components (Geon Theory) emerge?
asked
Jan 16
in
Psychology
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votes
1
answer
43
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What is the benefit of CBT?
asked
Jan 15
in
Psychology
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votes
1
answer
96
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Which perspective suggests that behaviour is influenced by how people perceive others and themselves?
asked
Jan 15
in
Psychology
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votes
1
answer
39
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Where does the concept of intersectionality come from?
asked
Jan 15
in
Psychology
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votes
1
answer
41
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When was the 'Realistic Conflict Theory' introduced?
asked
Jan 15
in
Psychology
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votes
1
answer
96
views
When do we perceive texture gradients?
asked
Jan 15
in
Psychology
0
votes
1
answer
92
views
What is social support theory?
asked
Jan 15
in
Psychology
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votes
1
answer
87
views
What is meant by intellectual disability?
asked
Jan 15
in
Psychology
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votes
1
answer
130
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What is the name of Freud's theory that provides the framework for his psychoanalytic approach?
asked
Jan 14
in
Psychology
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votes
1
answer
46
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What is the most significant aspect of the third stage as per Erikson?
asked
Jan 14
in
Psychology
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votes
1
answer
43
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What is the role of comparative psychology in understanding human behaviour?
asked
Jan 13
in
Psychology
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votes
1
answer
99
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What is the argument for nature in adolescent development?
asked
Jan 13
in
Psychology
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