Recent activity by LinetteWaldo

1 answer 18 views

What is the resonance structure of benzene and how does it contribute to its stability?

asked 1 day ago in Organic Chemistry

1 answer 28 views

What is the relationship between the electronic properties and the optical properties of conjugated polymers, and how can they be calculated through quantum chemistry methods?

answered 1 day ago in Quantum Chemistry

1 answer 16 views

What is the effect of varying the concentration of reactants on the rate of a chemical reaction for the reaction between magnesium and hydrochloric acid, when the stoichiometry of the reaction is changed by altering the amount of magnesium used?

asked 3 days ago in Chemical kinetics

1 answer 14 views

What is the optimal reaction conditions (temperature, pressure, and concentration) for the preparation of phenylalanine from benzyl chloride and ammonia, and how do these conditions affect the yield and purity of the final product?

asked 3 days ago in Chemical synthesis

1 answer 25 views

What is the optimum temperature and concentration of initiator for the synthesis of high molecular weight polyacrylonitrile from acrylonitrile monomer, and what effect does changing these parameters have on the yield and properties of the polymer?

asked 4 days ago in Chemical synthesis

1 answer 30 views

What is the optimal reaction conditions and catalyst for the synthesis of high molecular weight polypropylene from propylene monomer, and how does altering the reaction conditions affect the properties of the final polymer?

answered 4 days ago in Chemical synthesis

1 answer 19 views

What is the most efficient method for preparing p-nitroaniline from aniline and nitric acid, and what factors affect the yield and purity of the final product?

asked 4 days ago in Chemical synthesis

1 answer 20 views

What is the effect of temperature on the pressure-induced phase transitions in water molecules, as predicted by Monte Carlo simulations?

answered 6 days ago in Computational Chemistry

1 answer 26 views

How does the chemical structure of photovoltaic materials affect their photoelectric conversion efficiency?

answered Feb 18 in PhotoChemistry

1 answer 25 views

How does the Calvin cycle use energy and enzymes to fix carbon dioxide into glucose during photosynthesis and what role do electrons and protons play in this process? Provide a detailed explanation of the molecular mechanisms involved.

answered Feb 18 in BioChemistry

1 answer 18 views

How does the addition of different functional groups to a polymer affect its electrical conductivity and performance in electronic devices?

answered Feb 17 in Polymer Chemistry

1 answer 26 views

What is the activation energy of the reaction between hydrogen peroxide and iodide ions, given that the rate constant at 25°C is 0.068 s^-1 and the activation energy is 75 kJ/mol?

asked Feb 17 in Chemical kinetics

1 answer 29 views

What is the mechanism and intermediates involved in the acid-catalyzed hydration of an alkene like 2-methylpropene to form 2-methylpropan-2-ol?

answered Feb 17 in Organic Chemistry

1 answer 23 views

How does the absorption of light by a molecule or material affect its electronic structure and chemical reactivity?

answered Feb 17 in Quantum Chemistry

1 answer 32 views

How does the mechanism of photochemical reactions differ for alkenes, alkanes, and aromatic compounds in organic chemistry?

answered Feb 14 in PhotoChemistry

1 answer 21 views

How do the physical and chemical properties of POPs affect their persistence in the environment, and what measures can be taken to mitigate their impact on ecosystems and human health?

answered Feb 14 in Environmental Chemistry

1 answer 31 views

How can the synthesis process of carbon nanotubes be optimized for large-scale production with improved structural and electrical properties?

asked Feb 14 in Materials Chemistry

1 answer 30 views

Which metal will displace copper from copper sulfate solution - zinc or iron? Provide the balanced chemical equation for this single replacement reaction.

answered Feb 13 in Chemical reactions

1 answer 40 views

What is the coordination number and the packing efficiency of copper atoms in a face-centered cubic (FCC) crystal structure?

answered Feb 13 in Physical Chemistry

1 answer 33 views

What is the net yield of ATP molecules in glycolysis and gluconeogenesis, and how does the process differ between these two metabolic pathways?

answered Feb 13 in BioChemistry

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