Recent activity by AmeliaCuella

1 answer 30 views

How does the size and shape of nanoparticles affect their catalytic activity in a specific reaction?

asked 1 day ago in Materials Chemistry

1 answer 20 views

What is the relationship between the size of nanoparticles and their surface area to volume ratio, and how does this affect their properties and potential applications in different fields?

asked 1 day ago in Physical Chemistry

1 answer 18 views

What is the reaction mechanism and rate constant for the reaction of methane with chlorine gas to form methyl chloride and hydrogen chloride gas under standard conditions, based on quantum chemical calculations using density functional theory?

answered 3 days ago in Computational Chemistry

1 answer 24 views

What is the effect of ligand modification on the photochemical properties of lanthanide complexes? How does the presence of heavy atoms in the ligand affect the absorption and emission spectra of these complexes?

asked 4 days ago in PhotoChemistry

1 answer 15 views

What is the optimum temperature and reaction time required to synthesize high molecular weight polyacrylonitrile from acrylonitrile monomer using a free radical polymerization method?

answered 4 days ago in Chemical synthesis

1 answer 22 views

What is the mechanism of a nucleophilic substitution reaction between 1-bromobutane and sodium hydroxide in ethanol solvent? Provide the balanced chemical equation and draw the reaction mechanism, indicating the intermediates and the transition state.

asked 4 days ago in Organic Chemistry

1 answer 17 views

Identify the resonance structures of the nitrate ion (NO3-) and draw the resonance hybrid structure.

answered 4 days ago in Chemical bonding

1 answer 25 views

What is the coordination geometry and number of the metal center in hemoglobin and myoglobin? How does this affect the binding and transport of oxygen in these metalloproteins?

asked 5 days ago in Coordination Chemistry

1 answer 19 views

How does the lysosomal degradation pathway dispose of damaged or misfolded proteins in the cell, and what impact do variations in this pathway have on protein turnover rates and cellular health?

answered 5 days ago in BioChemistry

1 answer 22 views

What is the effect of temperature on the rate of a catalytic reaction between hydrogen gas and iodine gas in the presence of a solid catalyst?

asked 6 days ago in Physical Chemistry

1 answer 27 views

What is the effect of polymer molecular weight and chemical structure on drug release profiles in polymer-based drug delivery systems?

asked 6 days ago in Polymer Chemistry

1 answer 22 views

What is the critical micelle concentration (CMC) of Sodium Dodecyl Sulfate (SDS) in water at room temperature and pH 7? How does the CMC of SDS change with temperature and pH? How does the presence of dissolved salts affect the CMC of SDS?

answered 6 days ago in Surface Chemistry

1 answer 24 views

What type of polymer material is best suited for developing optical lenses with high refractive indices and low dispersion values?

answered Feb 17 in Polymer Chemistry

1 answer 21 views

How does the addition of nitrogen to graphene affect its electronic properties and potential use in electronic devices?

answered Feb 17 in Materials Chemistry

1 answer 32 views

What are the photochemical properties of [Fe(CN)5(NO)]4- complex and how do they change under different light conditions?

asked Feb 17 in PhotoChemistry

1 answer 29 views

How does the surface modification of biomaterials affect their biocompatibility and adhesion to cells?

answered Feb 17 in Surface Chemistry

1 answer 26 views

What is the boiling point trend of primary, secondary, and tertiary amines in comparison to their respective alkanes with the same molecular weight? Provide an explanation for the observed trend using intermolecular forces.

asked Feb 14 in Organic Chemistry

1 answer 35 views

What are the products of the double replacement reaction between sodium chloride and silver nitrate?

answered Feb 13 in Chemical reactions

1 answer 57 views

How does the conversion of light energy into chemical energy occur during the process of photosynthesis and what is the role of carbon fixation in this process?

answered Feb 13 in BioChemistry

1 answer 35 views

What is the impact of Chlorofluorocarbons (CFCs) on the ozone layer in different environmental conditions and how does this vary based on factors such as temperature and UV radiation levels?

answered Feb 12 in Environmental Chemistry

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