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User CecileHollin
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What is the balanced chemical equation for the preparation of 2,4,6-trinitrotoluene from toluene and nitric acid? Also, calculate the theoretical yield of 2,4,6-trinitrotoluene if 50 grams of toluene and excess nitric acid are used in the reaction.
answered
Feb 22
in
Chemical synthesis
1
answer
34
views
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
1
answer
27
views
What is the optimal ratio of diisocyanate and polyol required to synthesize polyurethane with desirable mechanical properties?
answered
Feb 21
in
Chemical synthesis
1
answer
24
views
What is the optimal catalyst and reaction conditions for the polymerization of styrene monomer to produce high molecular weight polystyrene with controlled molecular weight distribution and low polydispersity index?
answered
Feb 21
in
Chemical synthesis
1
answer
29
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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
1
answer
23
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
1
answer
36
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
1
answer
29
views
What is the balanced chemical equation for the synthesis of water from oxygen and hydrogen gas at standard conditions?
answered
Feb 17
in
Chemical reactions
1
answer
33
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
1
answer
34
views
How does the addition of a corrosion inhibitor affect the passivation process in the surface chemistry of metal corrosion?
answered
Feb 17
in
Surface Chemistry
1
answer
36
views
How can we optimize the extrusion process parameters of polyethylene to enhance its mechanical properties?
answered
Feb 14
in
Polymer Chemistry
1
answer
48
views
Identify and explain the different types of isomerism in organic compounds, providing examples for each type.
asked
Feb 13
in
Organic Chemistry
1
answer
55
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
1
answer
60
views
How can the swelling capacity of a polyacrylate-based superabsorbent material be optimized?
asked
Feb 11
in
Polymer Chemistry
1
answer
119
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
1
answer
70
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
1
answer
31
views
How can the mechanical and thermal properties of polymer-based composites be optimized for specific aerospace applications?
asked
Feb 7
in
Polymer Chemistry
1
answer
36
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
1
answer
36
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
1
answer
49
views
How can the efficiency of the production of ammonium nitrate fertilizer be improved through the optimization of the Haber-Bosch process?
answered
Feb 7
in
Chemical engineering
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