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What is the optimal ratio of adipic acid to hexamethylenediamine that should be used in the synthesis of nylon-6,6 for maximum yield?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
25
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What is the most efficient method for synthesizing polyvinyl alcohol using vinyl acetate monomer as the starting material? What are the key factors that affect the yield and properties of the final product, and how can they be optimized?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
69
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What is the effect of increasing concentration of the product on reaction rate and how does it relate to collision theory?
asked
Feb 13
in
Chemical kinetics
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votes
1
answer
28
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How do different cooking methods affect the levels of pesticide residues in food?
asked
Feb 12
in
Environmental Chemistry
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votes
1
answer
67
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How can the process for the production of nitrogen gas be optimized using the pressure swing adsorption technique in an industrial setting?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
31
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How can the performance of polymer-based membranes for water treatment be improved by manipulating their chemical structure and properties?
asked
Feb 10
in
Polymer Chemistry
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votes
1
answer
35
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How can the mechanical and thermal properties of polymer-based composites be optimized for their efficient use in aerospace applications?
asked
Feb 7
in
Polymer Chemistry
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votes
1
answer
29
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How can chemistry teachers make the subject more interesting and engaging for students who lack interest in the subject?
asked
Feb 6
in
Chemical education
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votes
1
answer
30
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How can quantum computing be utilized in quantum chemistry to efficiently calculate molecular properties and develop new drugs?
asked
Feb 5
in
Quantum Chemistry
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votes
1
answer
69
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What is the effect of changing the surface functionalization of gold nanoparticles on their stability and reactivity in water, as predicted by molecular dynamics simulations?
asked
Feb 3
in
Computational Chemistry
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votes
1
answer
98
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What is the composition and concentration of the components in a mixture of gasoline using gas chromatography?
asked
Jan 30
in
Analytical Chemistry
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1
answer
87
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A chemistry student wants to know how the equilibrium of a reaction will be affected by an increase in temperature. The reaction studied is N2(g) + 3H2(g) ↔ 2NH3(g) and has an equilibrium constant (Kc) of 3.5 x 10^-5 at a certain temperature. If the temperature is increased, what will happen to the concentration of NH3 at equilibrium?
asked
Jan 22
in
Chemical reactions
0
votes
1
answer
69
views
According to the cognitive-behavioural theory, how does a person's negative thought pattern contribute to depression?
asked
Jan 20
in
Psychology
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votes
1
answer
38
views
Who conducted the study on mirror exposure therapy?
asked
Jan 20
in
Psychology
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votes
1
answer
59
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How can Positive Psychology contribute to end-of-life care?
asked
Jan 20
in
Psychology
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votes
1
answer
102
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Please evaluate the ethics of using incentives for research participation.
asked
Jan 17
in
Psychology
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votes
1
answer
114
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What is egocentrism according to Piaget?
asked
Jan 17
in
Psychology
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votes
1
answer
82
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How does evolutionary psychology explain altruistic behaviour?
asked
Jan 16
in
Psychology
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votes
1
answer
31
views
What is the duration of sensory memory?
asked
Jan 16
in
Psychology
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votes
1
answer
64
views
What is the ego according to Freud's structural model?
asked
Jan 15
in
Psychology
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