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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?
answered
3 days
ago
in
Chemical synthesis
0
votes
21
views
What is the critical micelle concentration (CMC) of sodium dodecyl sulfate (SDS) in a water solution with a temperature of 25°C?
answered
6 days
ago
in
Surface Chemistry
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votes
25
views
What is the relationship between the conductivity of inorganic compounds and their chemical structure?
answered
6 days
ago
in
Inorganic Chemistry
0
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26
views
How does the concentration of heavy metals in soil affect the growth and biomass of plants in the environment?
answered
6 days
ago
in
Environmental Chemistry
0
votes
23
views
How does the chemical structure of detergents and cleaning agents affect their ability to remove oil-based and water-based stains from various surfaces?
answered
Feb 18
in
Surface Chemistry
0
votes
25
views
How does the addition of different catalysts affect the rate of the reaction between hydrogen peroxide and potassium iodide?
answered
Feb 17
in
Chemical kinetics
0
votes
32
views
What is the rate constant of a second-order reaction if its concentration is 0.5 M and its half-life is 5 minutes?
answered
Feb 13
in
Chemical reactions
0
votes
23
views
How can the morphology and chemical composition of newly synthesized materials be optimized to enhance the performance of fuel cells?
answered
Feb 10
in
Materials Chemistry
0
votes
32
views
How can computational chemistry be used to optimize the synthesis of metal-organic frameworks for improved gas storage and separation?
answered
Feb 5
in
Computational Chemistry
0
votes
51
views
Calculate the standard enthalpy change for the sublimation of iodine (I2) given that the enthalpy of fusion for iodine is 15.52 kJ/mol and the enthalpy of vaporization for iodine is 41.57 kJ/mol.
answered
Feb 3
in
Chemical thermodynamics
0
votes
78
views
How can the chemical engineer design a system that minimizes waste and maximizes efficiency in the production of lubricants, while also meeting the required quality standards for the final product?
answered
Jan 30
in
Chemical engineering
0
votes
54
views
Where does the idea of 'existential anxiety' come from?
answered
Jan 20
in
Psychology
0
votes
66
views
What is the self-categorisation theory, and how does it relate to gender psychology?
answered
Jan 20
in
Psychology
0
votes
55
views
What is the handicap principle in evolutionary psychology?
answered
Jan 16
in
Psychology
0
votes
48
views
How do humanistic psychologists view spirituality?
answered
Jan 15
in
Psychology
0
votes
36
views
What is construct validity in psychology?
answered
Jan 15
in
Psychology
0
votes
50
views
What is a health behaviour?
answered
Jan 14
in
Psychology
0
votes
33
views
What is the difference between an ingroup and an outgroup?
answered
Jan 13
in
Psychology
0
votes
30
views
What types of living beings have water vascular systems and unique tube feet?
answered
Jan 8
in
Science
0
votes
80
views
What term is used to describe the total spread of values in a sample?
answered
Jan 8
in
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