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0
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25
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What is the optimal reaction conditions, including temperature, pressure, and catalyst, required for the efficient synthesis of polyvinyl chloride from vinyl chloride monomer?
answered
Feb 21
in
Chemical synthesis
0
votes
32
views
What is the impact of temperature on the solubility of a solute in a solvent? Provide detailed explanation and experimental evidence to support your answer.
answered
Feb 20
in
Physical Chemistry
0
votes
36
views
How can we optimize the mechanical properties (e.g. elasticity, strength) of a polymer for use in a specific biomedical application, such as a tissue scaffold or drug delivery device?
answered
Feb 14
in
Materials Chemistry
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votes
28
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What is the role of metal ions in the structure and function of the metalloenzymes and metalloproteins and how do coordinative bonds between the metal ions and amino acid residues affect enzyme/protein activity?
answered
Feb 13
in
Coordination Chemistry
0
votes
58
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What are the differences and similarities in the electronic structures of lanthanide and actinide complexes? Provide examples and explain how these differences can impact the chemical and physical properties of the compounds.
answered
Feb 13
in
Coordination Chemistry
0
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71
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How can the synthesis of carbon nanotubes be optimized for higher yield and purity using novel synthetic methods and characterization techniques?
answered
Feb 11
in
Materials Chemistry
0
votes
79
views
How can the sensitivity and selectivity of a polymer-based sensor be improved in order to detect specific molecules in complex mixtures?
answered
Feb 10
in
Polymer Chemistry
0
votes
43
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How can the infrared (IR) spectroscopy technique be used to distinguish between ethanol and methanol?
answered
Feb 7
in
Organic Chemistry
0
votes
96
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Design a distillation column for the separation of a binary mixture consisting of ethanol and water. The feed mixture contains 40 mol% ethanol and 60 mol% water, and the desired product purity is 95 mol% ethanol. The feed rate is 1000 kg/hr and the column should operate at atmospheric pressure. Calculate the number of theoretical plates required to achieve the desired separation and determine the corresponding height and diameter of the column.
answered
Feb 3
in
Chemical engineering
0
votes
85
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Describe the role of the metal ion in the active site of metalloenzymes, using the coordination chemistry principles. Provide examples of metalloenzymes and their relevant metallic centers, and explain how the metal ion contributes to their function.
answered
Feb 3
in
Coordination Chemistry
0
votes
73
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How does changing the reactant concentrations affect the reaction rate and ultimately the profitability of a chemical reaction?
answered
Feb 3
in
Chemical kinetics
0
votes
73
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Calculate the enthalpy change of the polymerization reaction of ethylene, given that the heat of combustion of ethylene is -1411 kJ/mol and the enthalpy of formation of ethylene is +52.3 kJ/mol. The balanced equation for the polymerization of ethylene is:nC2H4 -> [-C2H4-]nAssume complete polymerization and that the standard enthalpy of formation of the polymer is negligible.
answered
Jan 23
in
ThermoChemistry
0
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120
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A student conducted an electrolysis experiment using a current of 2 amperes for 30 minutes with a copper sulfate solution. What is the mass of copper deposited on the cathode? The atomic weight of copper is 63.546 g/mol and the Faraday constant is 96,485 C/mol.
answered
Jan 22
in
ElectroChemistry
0
votes
128
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According to the Ebbinghaus illusion, how does our perception of size vary with changes in context?
answered
Jan 20
in
Psychology
0
votes
44
views
Where is the prefrontal cortex located?
answered
Jan 20
in
Psychology
0
votes
99
views
What are the limitations of the central route to persuasion?
answered
Jan 16
in
Psychology
0
votes
162
views
When evaluating the theories of conflict resolution, what is the collaboration strategy?
answered
Jan 16
in
Psychology
0
votes
46
views
What is the Impact of Early Life Experiences on Adult Sexual Behaviour?
answered
Jan 15
in
Psychology
0
votes
91
views
According to Beck, how do negative thoughts contribute to depression?
answered
Jan 15
in
Psychology
0
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60
views
What is the socio-cultural perspective in psychology?
answered
Jan 14
in
Psychology
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