Recent activity by AdaFennescey

1 answer 19 views

How do the photochemical properties of supramolecular assemblies differ from those of individual molecules and how can this knowledge be applied in the design of novel light-responsive materials?

asked 3 days ago in PhotoChemistry

1 answer 17 views

What is the impact of pH on the zeta potential of colloidal particles and how can it be measured experimentally?

answered 3 days ago in Surface Chemistry

1 answer 23 views

What are the optimal conditions and parameters required for 3D printing of polylactic acid (PLA) polymer, and how do these conditions affect the mechanical properties and print quality of the final product?

answered 3 days ago in Materials Chemistry

1 answer 12 views

What are the resonance structures of the molecule NO3- and how do the different structures contribute to its stability?

answered 3 days ago in Chemical bonding

1 answer 30 views

How does the mechanism of a specific chemical reaction change under different reaction conditions, such as temperature, pressure, and solvent, as predicted by quantum chemical calculations?

asked 4 days ago in Computational Chemistry

1 answer 14 views

What is the enthalpy of vaporization of water at 100°C if it requires 40.7 kJ of energy to vaporize 1 mole of water?

asked 5 days ago in ThermoChemistry

1 answer 20 views

What is the effect of pH on the electrokinetic potential of a colloidal system consisting of silica nanoparticles in aqueous solution?

asked 5 days ago in Surface Chemistry

1 answer 15 views

What conditions and reagents are necessary for the efficient synthesis of polyvinyl chloride from vinyl chloride monomer, and how do these parameters affect the yield and properties of the resulting polymer?

answered 5 days ago in Chemical synthesis

1 answer 29 views

What is the effect of changing the concentration of photosensitizer on the rate of a photochemical reaction?

asked 5 days ago in PhotoChemistry

1 answer 31 views

How does the coordination number and the nature of the ligands affect the crystal field splitting energies in transition metal complexes? Provide an example to illustrate your point.

asked 6 days ago in Coordination Chemistry

1 answer 19 views

How does the coordination environment around the metal ion in metalloproteins affect their enzymatic activity and specificity? Provide specific examples of metalloproteins and their respective metal coordination geometries that support your findings.

answered 6 days ago in Coordination Chemistry

1 answer 25 views

What is the balanced chemical equation for the combustion of ethane (C2H6) in the presence of excess oxygen, and what is the amount of carbon dioxide produced if 5 moles of ethane are burned?

answered Feb 17 in Chemical reactions

1 answer 26 views

How does the addition of certain oxides affect the optical properties of glass used in fiber optic communication systems?

answered Feb 17 in Materials Chemistry

1 answer 38 views

What are the most promising polymer materials and composite structures being developed for use in aerospace applications, and how do their mechanical and thermal properties compare to existing materials?

asked Feb 14 in Polymer Chemistry

1 answer 28 views

What is the hybridization of the carbon atom in the molecule CH3OH?

answered Feb 13 in Chemical bonding

1 answer 35 views

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

asked Feb 13 in Chemical reactions

1 answer 33 views

How can we design new drugs for cancer treatment that selectively target cancer cells while sparing healthy cells, and what chemical modifications can be made to improve their efficacy and minimize toxicity?

answered Feb 12 in Medicinal Chemistry

1 answer 32 views

How can the mechanical properties of biodegradable polymers be optimized to meet the specific needs of biomedical applications, such as drug delivery or tissue engineering? Specifically, what factors affect the mechanical strength, elasticity, and biodegradability of polymers, and how can chemists manipulate these factors to enhance the performance of the polymer in a biomedical setting?

answered Feb 10 in Materials Chemistry

1 answer 36 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 6 in Medicinal Chemistry

1 answer 38 views

How can limited access to laboratory equipment and chemicals be overcome to encourage more hands-on experimentation in chemistry education?

asked Feb 5 in Chemical education

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