Recent activity by EloisaLeavit

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What is the relationship between the crystal structure and electronic properties of perovskite materials, and how can this knowledge be used to optimize the efficiency of perovskite solar cells?

answered 1 day ago in Quantum Chemistry

1 answer 21 views

How does the presence of a reaction product affect the rate of a chemical reaction? Provide an experiment-based explanation.

asked 3 days ago in Chemical kinetics

1 answer 26 views

What is the heat of sublimation of carbon dioxide (CO2) at standard pressure and temperature (STP)?

answered 5 days ago in ThermoChemistry

1 answer 21 views

How do the electronic and optical properties of conjugated polymers vary as the size of the polymer chain increases?

answered 5 days ago in Quantum Chemistry

1 answer 25 views

What is the effect of temperature on the rate of catalysis by the enzyme amylase, and how does the addition of an inhibitor molecule affect this rate at different temperatures?

answered 5 days ago in BioChemistry

1 answer 27 views

How does the crystal structure of magnetic materials affect their magnetic properties, and how can this knowledge be used to optimize their use in data storage devices like hard drives?

asked 6 days ago in Materials Chemistry

1 answer 22 views

What is the effect of metal ion coordination on the electronic and spectroscopic properties of metalloporphyrins and metallophthalocyanines?

answered 6 days ago in Coordination Chemistry

1 answer 22 views

How does the concentration of reactants in a reaction affect the reaction rate under different reaction mechanisms?

answered 6 days ago in Chemical kinetics

1 answer 28 views

What is the best reaction condition for synthesizing polystyrene from styrene monomer with a high yield and molecular weight using free radical polymerization?

asked Feb 17 in Chemical synthesis

1 answer 22 views

What are the equilibrium concentrations of products and reactants when 0.50 moles of N2 and 0.50 moles of H2 are mixed in a 1.00 L flask and allowed to react at 300 K, with a Kc value of 0.129?

answered Feb 17 in Chemical equilibrium

1 answer 23 views

How does the addition of nanoparticles (such as nanoclay or carbon nanotubes) affect the mechanical properties of a polymer nanocomposite?

answered Feb 17 in Polymer Chemistry

1 answer 26 views

How does temperature affect the solubility of a solute in a solvent? Provide a detailed explanation using relevant physical chemistry concepts and experimental evidence.

answered Feb 17 in Physical Chemistry

1 answer 25 views

What is the effect of surface functional groups (such as -COOH, -NH2, -OH, etc.) on the adhesion strength of a coating to a substrate, and how can this knowledge be used to develop more efficient adhesive and coating materials?

answered Feb 14 in Surface Chemistry

1 answer 33 views

How can we use structure-based drug design to develop a new antibiotic that specifically targets the cell wall of Gram-negative bacteria, without affecting the healthy cells of the host organism?

asked Feb 14 in Medicinal Chemistry

1 answer 7 views

How is the process of protein degradation and turnover regulated in cells via proteolytic enzymes? Specifically, how do these enzymes recognize targeted proteins and what are the mechanisms that control their activity?

asked Feb 14 in BioChemistry

1 answer 44 views

How can you optimize the chemical process for the production of a pharmaceutical drug to increase efficiency and reduce costs while maintaining high quality?

asked Feb 14 in Chemical engineering

1 answer 41 views

How does the process of lipid transport differ in low-density lipoproteins (LDL) and high-density lipoproteins (HDL)?

answered Feb 13 in BioChemistry

1 answer 39 views

How does histone acetylation promote transcriptional activation of a gene in DNA-protein interactions and regulation? Provide a detailed explanation including the chemical mechanisms involved in the process.

answered Feb 13 in BioChemistry

1 answer 46 views

How can we use gel permeation chromatography (GPC) to determine the molecular weight distribution of a polymer sample?

asked Feb 13 in Polymer Chemistry

1 answer 33 views

How does the excess input of nitrogen and phosphorus in aquatic ecosystems lead to eutrophication, and what are the potential impacts of eutrophication on water quality and aquatic life?

answered Feb 13 in Environmental Chemistry

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