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What is the reaction mechanism for the thermal polymerization of adipic acid and hexamethylenediamine to produce nylon-6,6, and how does the process affect the properties and characteristics of the final polymer product?
asked
Feb 22
in
Chemical synthesis
1
answer
33
views
What is the rate constant of the reaction between zinc and hydrochloric acid at room temperature?
asked
Feb 22
in
Inorganic Chemistry
1
answer
31
views
What is the polarity of a bond between nitrogen and oxygen in NO2?
asked
Feb 22
in
Chemical bonding
1
answer
28
views
How does the cooling rate affect the morphology and crystal structure of a polymer during crystallization?
answered
Feb 19
in
Polymer Chemistry
1
answer
27
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What is the chemical process involved in the conversion of a carboxylic acid to a corresponding acid anhydride and how does the reaction mechanism differ when using a carboxylic acid chloride instead?
answered
Feb 19
in
Organic Chemistry
1
answer
30
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What is the effect of the concentration of the inorganic compound on its conductivity?
answered
Feb 19
in
Inorganic Chemistry
1
answer
32
views
How does the surface morphology of a substrate affect the enhancement factor in surface-enhanced Raman spectroscopy?
answered
Feb 17
in
Surface Chemistry
1
answer
39
views
How does pH affect the electrokinetic phenomena in colloidal systems? Specifically, what is the effect of varying pH on zeta potential and electrophoretic mobility?
answered
Feb 14
in
Surface Chemistry
1
answer
56
views
How do intermolecular interactions and solvation effects affect the thermodynamics and kinetics of chemical reactions in solutions?
asked
Feb 13
in
Quantum Chemistry
1
answer
71
views
What is the bond order of the nitrogen molecule (N2) and how is it determined through molecular orbital theory?
answered
Feb 13
in
Chemical bonding
1
answer
61
views
What type of intermolecular forces are present in a water (H2O) molecule? Provide specific examples that support your answer.
asked
Feb 13
in
Chemical bonding
1
answer
60
views
What is the net energy yield (in ATP) of glycolysis and gluconeogenesis, and how does this value differ between the two pathways?
answered
Feb 13
in
BioChemistry
1
answer
51
views
What is the effect of crosslinking on the mechanical properties of polymer materials used in biomedical applications and how does it impact their biocompatibility and usability for specific medical devices?
asked
Feb 12
in
Materials Chemistry
1
answer
79
views
How does the presence of chaperone proteins affect the folding of newly synthesized proteins?
asked
Feb 12
in
BioChemistry
1
answer
45
views
How can the properties and behavior of crude oil be manipulated or controlled to minimize the environmental impact of an oil spill?
asked
Feb 10
in
Environmental Chemistry
1
answer
35
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How can the efficiency of a heat exchanger be optimized for a specific reaction process involving the synthesis of a particular chemical compound?
answered
Feb 7
in
Chemical engineering
1
answer
33
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How can the adhesive strength of a polymer-based adhesive be improved for bonding plastics?
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Feb 6
in
Polymer Chemistry
1
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44
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How can computational methods be utilized to predict and optimize the adsorption properties of metal-organic frameworks for the efficient removal of carbon dioxide from flue gas?
answered
Feb 6
in
Computational Chemistry
1
answer
73
views
Calculate the standard enthalpy change for the reaction between hydrochloric acid (HCl) and ammonia (NH3) to produce ammonium chloride (NH4Cl) if the reaction is carried out in a solution of water (H2O), given the following information:HCl(aq) + H2O(l) -> H3O+(aq) + Cl-(aq) ΔH1 = -74.8 kJ/mol NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH-(aq) ΔH2 = -51.8 kJ/mol NH4Cl(s) → NH4+(aq) + Cl-(aq) ΔH3 = 15.2 kJ/mol Ensure that the answer is in kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
1
answer
100
views
What are the functional groups present in an unknown organic compound and what are their characteristic infrared absorption frequencies as determined through infrared spectroscopy analysis?
asked
Jan 30
in
Analytical Chemistry
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