Recent activity by OctavioCarva

1 answer 38 views

How does the self-assembly of supramolecular structures contribute to the development of new materials with unique properties, and how can this be used in practical applications such as drug delivery systems or advanced electronic devices?

answered Feb 24 in Physical Chemistry

1 answer 28 views

How does the selectivity of hydrocarbon oxidation on metal surfaces change when the pressure or temperature is varied, and what are the underlying mechanisms that govern these changes?

asked Feb 24 in Surface Chemistry

1 answer 27 views

What is the specific reaction mechanism and stoichiometry for the preparation of 2,4-dinitrophenylhydrazine from hydrazine and 2,4-dinitrochlorobenzene, and how can this synthesis process be optimized for higher yields and purity?

answered Feb 22 in Chemical synthesis

1 answer 12 views

How does the pore size and shape of zeolites affect their catalytic activity in the conversion of methanol to gasoline? Use computational chemistry methods to determine the most effective zeolite catalyst for this process.

answered Feb 22 in Computational Chemistry

1 answer 33 views

How does the temperature and pressure affect the phase transition of water from liquid to gas as modeled through Monte Carlo simulations?

asked Feb 22 in Computational Chemistry

1 answer 27 views

What is the maximum adsorption capacity of activated carbon for a specific pollutant and how does it vary with changes in factors such as pH, temperature, and initial pollutant concentration?

answered Feb 20 in Surface Chemistry

1 answer 25 views

What is the impact of magnetic particle size on the coercivity and remanence of magnetic materials used for data storage?

answered Feb 20 in Materials Chemistry

1 answer 39 views

What is the maximum surface coverage of nitrogen gas on a platinum surface at 25°C and a pressure of 1 atm, according to the Langmuir adsorption isotherm data with a Langmuir constant of 0.25 L/mole?

answered Feb 20 in Surface Chemistry

1 answer 30 views

What is the critical micelle concentration (CMC) of sodium dodecyl sulfate (SDS) in water at a temperature of 25°C and how does it vary with the addition of salt to the solution?

answered Feb 19 in Surface Chemistry

1 answer 34 views

How does the coordination chemistry of chelating agents, such as EDTA and DMSA, contribute to their effectiveness in chelation therapy for heavy metal poisoning?

asked Feb 19 in Coordination Chemistry

1 answer 46 views

What is the coordination geometry and symmetry of a complex formed by the reaction of europium (III) chloride and ethylenediaminetetraacetic acid (EDTA)? How does the coordination number and geometry change with pH?

asked Feb 18 in Coordination Chemistry

1 answer 38 views

What is the bond length between two carbon atoms in a molecule of ethylene (C2H4), given that the distance between the nuclei of the two carbon atoms is 1.33 Å? Additionally, what is the percent ionic character of the carbon-carbon bond?

answered Feb 18 in Chemical bonding

1 answer 33 views

How do the chemicals and pollutants present in air, such as sulfur dioxide and nitrogen oxides, contribute to respiratory health problems in humans and what can be done to minimize their impact?

answered Feb 14 in Environmental Chemistry

1 answer 46 views

What happens to the equilibrium position of a reversible reaction if you add more reactants or products? Use Le Chatelier's principle to explain the answer with appropriate examples.

asked Feb 13 in Chemical reactions

1 answer 13 views

How can the yield of a pharmaceutical drug production process be improved to increase the overall efficiency and reduce the cost of production?

answered Feb 13 in Chemical engineering

1 answer 92 views

What is the impact of doping concentration on the electronic and optical properties of graphene and other 2D materials, and how does it affect their potential applications in electronics and optoelectronics?

asked Feb 12 in Quantum Chemistry

1 answer 57 views

What is the role of DNA polymerases during DNA replication and how do they ensure the accuracy of DNA synthesis? Provide specific examples of proofreading mechanisms used by DNA polymerases to maintain the integrity of the genetic code.

answered Feb 12 in BioChemistry

1 answer 82 views

How can we design new antiviral drugs that specifically target viral proteins involved in the replication process using medicinal chemistry principles?

asked Feb 12 in Medicinal Chemistry

1 answer 72 views

What are the photochemical properties of cisplatin complex and how do they impact the effectiveness of the drug in cancer treatment?

answered Feb 12 in PhotoChemistry

1 answer 68 views

How can the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer be optimized to achieve a higher yield and purity of the final product, while minimizing unwanted byproducts and waste?

answered Feb 11 in Chemical synthesis

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