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0
votes
1
answer
21
views
How does pH affect the rate of the reaction between hydrochloric acid and sodium thiosulphate?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
6
views
How does the presence of heteroatoms such as nitrogen or oxygen in the ring structure of heterocyclic compounds affect their reactivity in organic reactions? Provide a specific example of a heterocyclic compound and explain its reaction mechanism.
asked
3 days
ago
in
Organic Chemistry
0
votes
1
answer
21
views
What is the optimal thickness and arrangement of graphene layers for high-performance electronic devices such as transistors?
asked
3 days
ago
in
Materials Chemistry
0
votes
1
answer
19
views
What is the most efficient method for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas, and what are the optimal reaction conditions (temperature, pressure, solvent, etc.) for this synthesis process?
asked
4 days
ago
in
Chemical synthesis
0
votes
1
answer
23
views
What is the mechanism behind the bioluminescence in fireflies, and how can this property be replicated in non-bioluminescent organisms through photochemical reactions?
asked
5 days
ago
in
PhotoChemistry
0
votes
1
answer
14
views
What is the equilibrium constant for the reaction between ethanoic acid and water, given that the dissociation constant (Ka) for ethanoic acid is 1.8 x 10^-5 at 25°C?
asked
5 days
ago
in
Chemical equilibrium
0
votes
1
answer
17
views
What is the effect of varying concentrations of plasma treatment on the surface properties of a biopolymer-based biomaterial?
asked
5 days
ago
in
Surface Chemistry
0
votes
1
answer
31
views
What are the different stimuli-responsive behaviors exhibited by polymer-based smart materials and how do these behaviors make these materials useful in various applications such as sensing, drug delivery, and tissue engineering?
asked
Feb 14
in
Polymer Chemistry
0
votes
1
answer
30
views
How does changing the concentration of reactants affect the rate of a second-order reaction? Provide an experimental design to determine the reaction order and rate constant for a given chemical reaction.
asked
Feb 13
in
Chemical kinetics
0
votes
1
answer
8
views
How does cholesterol affect the fluidity of the cell membrane? Provide a detailed explanation with examples.
asked
Feb 12
in
BioChemistry
0
votes
1
answer
27
views
How can the size, shape, and composition of nanoparticles be precisely controlled using advanced synthesis methods in materials chemistry?
asked
Feb 10
in
Materials Chemistry
0
votes
1
answer
34
views
How can the polymerization reaction of styrene monomer be manipulated to achieve different molecular weights and properties in the resulting polystyrene polymer?
asked
Feb 10
in
Chemical synthesis
0
votes
1
answer
38
views
How can the mechanical and physical properties of a polymer be optimized during the processing and manufacturing stage to achieve its desired end-use properties?
asked
Feb 7
in
Polymer Chemistry
0
votes
1
answer
21
views
How can the chemical engineering principles be applied to develop a cost-effective and efficient process for the production of a new food additive that meets the safety and quality standards set by regulatory authorities?
asked
Feb 6
in
Chemical engineering
0
votes
1
answer
39
views
How can inadequate training for chemistry teachers affect the learning outcomes of students in chemistry classes?
asked
Feb 6
in
Chemical education
0
votes
1
answer
31
views
How can computational studies be used to predict and analyze the self-assembly behavior of supramolecular structures and their properties, such as stability and reactivity?
asked
Feb 5
in
Computational Chemistry
0
votes
1
answer
49
views
Calculate the standard enthalpy change for the fusion of solid hydrogen (H₂) at its melting point of 13.81 K, given that the standard enthalpy of fusion of H₂ is 0.117 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
86
views
What is the mechanism of bioluminescence in fireflies and how does it differ from other bioluminescent organisms in terms of the photochemical properties involved in the process?
asked
Jan 31
in
PhotoChemistry
0
votes
1
answer
28
views
What is the effect of different amino acid substitutions at the binding site of a protein on the binding affinity and stability of the protein-ligand complex? Use molecular dynamics simulations to analyze the interaction of the protein and ligand and compare it with the wild-type protein-ligand complex.
asked
Jan 31
in
Computational Chemistry
0
votes
1
answer
75
views
Here's a question for a chemistry student to solve:How can we connect the principles of acid-base chemistry to everyday scenarios such as cleaning agents and food preservatives?
asked
Jan 30
in
Chemical education
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