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votes
1
answer
35
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What is the optimal synthesis condition for the production of polyvinylpyrrolidone with high yield and molecular weight from vinylpyrrolidone monomer using a specific catalyst?
asked
Feb 21
in
Chemical synthesis
0
votes
1
answer
30
views
What are the key molecular targets and mechanisms employed in the drug design strategies for treating metabolic disorders such as diabetes and obesity, and how can these drugs maximize efficacy and minimize side effects?
asked
Feb 20
in
Medicinal Chemistry
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votes
1
answer
24
views
How does the fluidity of a cell membrane affect the movement and activity of membrane-bound enzymes? Provide examples of how changes in temperature, lipid composition, and cholesterol levels can alter membrane fluidity and consequently enzyme function.
asked
Feb 20
in
BioChemistry
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votes
1
answer
37
views
How does the concentration of reactants affect the rate of a chemical reaction and can this relationship be quantified through measurements of reaction time and product yield?
asked
Feb 19
in
Chemical kinetics
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votes
1
answer
35
views
What is the enthalpy change for the combustion reaction of methane gas (CH4) when 2.50 moles of methane are burned in excess oxygen gas under standard conditions?
asked
Feb 17
in
ThermoChemistry
0
votes
1
answer
50
views
Identify and explain the different types of isomerism in organic compounds, providing examples for each type.
asked
Feb 13
in
Organic Chemistry
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votes
1
answer
56
views
What are the effects of doping on the electrical and optical properties of semiconductors, and how does the dopant concentration affect these properties?
asked
Feb 12
in
Materials Chemistry
0
votes
1
answer
63
views
How can the swelling capacity of a polyacrylate-based superabsorbent material be optimized?
asked
Feb 11
in
Polymer Chemistry
0
votes
1
answer
120
views
How can the surface properties of a biodegradable polymer scaffold be modified to enhance its biocompatibility with human cells for more efficient tissue engineering?
asked
Feb 11
in
Surface Chemistry
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votes
1
answer
71
views
How can the structure and physicochemical properties of a drug be optimized to improve its efficacy as a treatment for cardiovascular diseases?
asked
Feb 10
in
Medicinal Chemistry
0
votes
1
answer
32
views
How can the mechanical and thermal properties of polymer-based composites be optimized for specific aerospace applications?
asked
Feb 7
in
Polymer Chemistry
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votes
1
answer
38
views
How can the mechanical and biocompatible properties of polymer-based biomaterials for tissue engineering be optimized to mimic the native tissues of the human body?
asked
Feb 7
in
Polymer Chemistry
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votes
1
answer
38
views
How can the industrial wastewater treatment system be designed using chemical engineering principles such as coagulation, flocculation, sedimentation, and disinfection to effectively remove contaminants such as heavy metals, organic compounds, and toxicity from the wastewater before discharge into the environment?
asked
Feb 7
in
Chemical engineering
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votes
1
answer
41
views
How can medicinal chemists modify existing antibiotics to create new compounds that are effective against drug-resistant bacteria strains, specifically targeting the mechanisms that these bacteria use to resist traditional antibiotics?
asked
Feb 5
in
Medicinal Chemistry
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votes
1
answer
40
views
How can Fourier Transform Infrared Spectroscopy (FTIR) be used to identify the chemical composition of a polymer sample?
asked
Feb 5
in
Polymer Chemistry
0
votes
1
answer
38
views
How can chemistry teachers provide better support for students with learning disabilities in the classroom to ensure they have equal access to education and achieve academic success?
asked
Feb 5
in
Chemical education
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votes
1
answer
61
views
Calculate the standard enthalpy of formation of methane (CH4) given that the standard enthalpies of formation for CO2 and H2O are -393.5 kJ/mol and -285.8 kJ/mol, respectively.
asked
Feb 3
in
ThermoChemistry
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votes
1
answer
42
views
What is the extent of pesticide residue contamination in fruits and vegetables commonly consumed by humans, and how does prolonged exposure to these residues affect human health?
asked
Jan 31
in
Environmental Chemistry
0
votes
1
answer
58
views
According to the attentional blink phenomenon, how does attentional selection influence the perception of rapid, successive stimuli?
asked
Jan 20
in
Psychology
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votes
1
answer
40
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Why is random assignment important?
asked
Jan 20
in
Psychology
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