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What is the optimal reaction condition, i.e. temperature, pressure, and catalyst type, for synthesizing polyethylene terephthalate from terephthalic acid and ethylene glycol to achieve the highest yield and quality of the product?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
26
views
How does the formation of disulfide bonds affect the folding and stability of proteins during protein synthesis?
asked
Feb 20
in
BioChemistry
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1
answer
24
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What is the balanced chemical equation for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas? Calculate the theoretical yield of the product if 10 g of nitrobenzene and 20 g of chlorine gas are used in the reaction.
asked
Feb 17
in
Chemical synthesis
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votes
1
answer
50
views
How does the crystal field theory explain the color of transition metal coordination compounds?
asked
Feb 12
in
Coordination Chemistry
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1
answer
67
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How can the production of fragrances using chemical engineering be optimized for maximum efficiency and sustainability while ensuring the desired scent profile?
asked
Feb 10
in
Chemical engineering
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1
answer
35
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How can medicinal chemists utilize structure-activity relationship (SAR) studies to design new small molecule drugs that selectively target specific immune cells involved in autoimmune diseases, while minimizing off-target effects and toxicity?
asked
Feb 5
in
Medicinal Chemistry
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votes
1
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63
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Calculate the standard enthalpy change for the sublimation of iodine at 25°C, given that the standard enthalpy of fusion of iodine is 15.7 kJ/mol and the standard enthalpy of vaporization of iodine is 41.0 kJ/mol. (The molar mass of iodine is 126.90 g/mol)
asked
Feb 3
in
Chemical thermodynamics
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votes
1
answer
86
views
How does an increase or decrease in temperature affect the fluidity of the cell membrane?
asked
Jan 31
in
BioChemistry
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votes
1
answer
67
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Calculate the amount of heat required to sublimate 10 grams of dry ice (solid carbon dioxide) at a temperature of -78.5°C. The heat of sublimation of carbon dioxide is 25.2 kJ/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
119
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According to the social identity theory, why do individuals participate in group behaviors?
asked
Jan 17
in
Psychology
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votes
1
answer
58
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What is an example of operant conditioning in pain management?
asked
Jan 16
in
Psychology
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votes
1
answer
61
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When evaluating Piaget's cognitive development theory, what is a major limitation of the theory?
asked
Jan 16
in
Psychology
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votes
1
answer
60
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What is the difference between the psychodynamic and the behaviourist approach?
asked
Jan 15
in
Psychology
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votes
1
answer
52
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What is machine vision?
asked
Jan 15
in
Psychology
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votes
1
answer
88
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What is the difference between a dependent and an independent variable?
asked
Jan 15
in
Psychology
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votes
1
answer
73
views
What is the difference between 'serial processing' and 'parallel processing'?
asked
Jan 14
in
Psychology
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votes
1
answer
36
views
What is a correlation matrix?
asked
Jan 14
in
Psychology
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votes
1
answer
77
views
How do theories of animal behaviour differ from those of human behaviour?
asked
Jan 14
in
Psychology
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votes
1
answer
67
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How can cultural and contextual factors influence the expression and perception of mental disorders?
asked
Jan 13
in
Psychology
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1
answer
68
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What type of fatty acids have bent chains?
asked
Jan 8
in
Science
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