Recent activity by LewisR691771

1 answer 21 views

How does the prediction of the electronic and magnetic properties of topological materials contribute to the development of more efficient and advanced electronic devices?

asked 5 days ago in Quantum Chemistry

1 answer 22 views

What is the optimal conditions for the adsorption of methylene blue dye on activated carbon with a specific surface area of 1000 m2/g and how does the pH of the solution affect the adsorption efficiency?

answered 5 days ago in Surface Chemistry

1 answer 25 views

What is the most efficient and cost-effective method to produce biofuels using non-food biomass sources like agricultural waste or forestry residues, and how can we optimize the process to maximize biofuel yield while minimizing environmental impact?

asked 5 days ago in Chemical engineering

1 answer 35 views

What is the coordination structure of the metal center in the enzyme carbonic anhydrase and how does this structure facilitate the enzyme's catalytic activity in the hydration of carbon dioxide?

asked 6 days ago in Coordination Chemistry

1 answer 31 views

How does insulin signaling pathway work to regulate glucose metabolism in the liver cells?

asked 6 days ago in BioChemistry

1 answer 26 views

What is the effect of varying substrate concentration on the initial rate of an enzyme-catalyzed reaction and how does the presence of an inhibitor affect the reaction rate at different substrate concentrations?

asked Feb 20 in BioChemistry

1 answer 27 views

What is the effect of concentration on the reaction rate of catalytic hydrogenation of butene?

answered Feb 19 in Physical Chemistry

1 answer 31 views

What is the chemical reaction responsible for the formation of acid rain and how does it affect soil pH and plant growth in affected areas?

answered Feb 18 in Environmental Chemistry

1 answer 33 views

What is the balanced chemical equation for the combustion of methane gas (CH4) with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O)?

asked Feb 17 in Chemical reactions

1 answer 25 views

How does the addition of catalyst X affect the rate of reaction Y at a temperature of Z degrees Celsius?

answered Feb 17 in Chemical kinetics

1 answer 30 views

What is the effect of strain on the electronic and optical properties of graphene? What are the changes in the energy band structure and excitonic properties of strained graphene compared to the unstrained graphene?

answered Feb 14 in Quantum Chemistry

1 answer 25 views

How do persistent organic pollutants (POPs) enter the food chain, and what are the potential health and environmental impacts of bioaccumulation of POPs in different trophic levels?

answered Feb 14 in Environmental Chemistry

1 answer 36 views

How can we use molecular docking studies to optimize drug discovery by predicting the binding mode and affinity of a small molecule with its target protein?

asked Feb 13 in Computational Chemistry

1 answer 49 views

How does the coordination chemistry of copper ions in cytochrome c oxidase facilitate the transfer of electrons during the process of aerobic respiration?

asked Feb 12 in Coordination Chemistry

1 answer 31 views

How can the impurities in a sample of ethyl acetate be separated and removed to obtain a pure sample, and what is the most efficient and cost-effective technique that can be used for this?

asked Feb 7 in Chemical engineering

1 answer 41 views

How can the crystal structure of an inorganic solid be accurately predicted using computational modeling techniques and experimental data?

answered Feb 6 in Inorganic Chemistry

1 answer 35 views

How can the adhesion and surface properties of a polymer be improved to enhance its performance for a specific application?

asked Feb 6 in Polymer Chemistry

1 answer 36 views

Here's a precise problem for the student to solve:What is the oxidation state of carbon in ethanol (C2H5OH)? Show the electron transfer steps involved in the oxidation of ethanol to acetic acid (CH3COOH) using balanced half-reactions.

answered Feb 4 in Organic Chemistry

1 answer 58 views

Determine the equilibrium constant for the following redox reaction taking place at 25°C: Fe2+(aq) + H2O2(aq) + 2H+(aq) → Fe3+(aq) + 2H2O(l) Given the standard reduction potentials below: Fe3+/Fe2+ = +0.771 V H2O2(aq)/H2O(l) = +1.78 V

answered Feb 4 in Chemical equilibrium

1 answer 50 views

Describe the step-by-step procedure for synthesizing polyvinylpyrrolidone from vinylpyrrolidone monomer, including the necessary reagents, temperatures, and reaction conditions.

answered Feb 3 in Chemical synthesis

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