Recent activity by MarciaBrooke

1 answer 29 views

What is the role of polymer chain length and molecular weight in determining the performance of polymer-based coatings and paints?

answered 1 day ago in Polymer Chemistry

1 answer 22 views

What is the effect of pH on the reaction rate between hydrochloric acid and magnesium ribbon?

asked 3 days ago in Chemical kinetics

1 answer 16 views

How does the presence of a metal ion in metalloenzymes and metalloproteins affect their function and how can this knowledge be applied in developing new drugs for specific diseases?

asked 3 days ago in Coordination Chemistry

1 answer 22 views

What is the effect of pH on the stability and particle size of colloidal silver nanoparticles synthesized using the chemical reduction method?

asked 4 days ago in Physical Chemistry

1 answer 25 views

How does the number of valence electrons affect the electronic and magnetic properties of topological materials?

answered 4 days ago in Quantum Chemistry

1 answer 25 views

How does the molecular structure of a drug affect its pharmacodynamics in the human body, and what experimental methods can be used to investigate these effects?

answered 4 days ago in Medicinal Chemistry

1 answer 22 views

What is the molecular geometry and polarity of H2O?

answered 5 days ago in Inorganic Chemistry

1 answer 33 views

How does the choice of exchange-correlation functional affect the prediction of surface properties (such as surface energy and adsorption energy) in Density Functional Theory (DFT) calculations of metal surfaces?

answered Feb 18 in Computational Chemistry

1 answer 27 views

How does the choice of dopant and host materials affect the photochemical properties and efficiency of luminescent materials in organic light-emitting diodes (OLEDs)?

asked Feb 18 in PhotoChemistry

1 answer 25 views

What is the bond order of carbon monoxide (CO) molecule?

asked Feb 18 in Chemical bonding

1 answer 26 views

How does the acidity of phenols differ from that of alcohols and what is the reason behind it? Provide a rationale for your answer.

answered Feb 17 in Organic Chemistry

1 answer 26 views

How does paracetamol (acetaminophen) undergo metabolism in the liver, and what are the different metabolites formed during this process?

asked Feb 14 in Medicinal Chemistry

1 answer 35 views

How can we use Monte Carlo simulations to study the phase behavior of liquid crystals under different external conditions such as temperature, pressure, and electric fields?

answered Feb 13 in Computational Chemistry

1 answer 16 views

How do the metal ions in metalloenzymes and metalloproteins interact with amino acids to perform their respective biological functions?

answered Feb 13 in Coordination Chemistry

1 answer 31 views

What is the enthalpy change when 10.0 g of sodium hydroxide dissolves in 200 mL of water at 25°C? The molar enthalpy of dissolution of sodium hydroxide is -44.5 kJ/mol.

asked Feb 13 in ThermoChemistry

1 answer 57 views

How do different synthesis methods impact the electrical conductivity and mechanical properties of conductive polymers such as polyaniline, and how can this knowledge be used to improve the performance of flexible electronic devices?

asked Feb 12 in Materials Chemistry

1 answer 8 views

What are the key chemical reactions and processes involved in designing a system for the production of cosmetics, and how can they be optimized to improve quality and efficiency?

answered Feb 12 in Chemical engineering

1 answer 35 views

What is the role of cholesterol in maintaining membrane structure and permeability?

asked Feb 12 in BioChemistry

1 answer 46 views

How can the synthesis of polyvinyl alcohol from vinyl acetate monomer be optimized to increase the yield and purity of the final product?

answered Feb 11 in Chemical synthesis

1 answer 47 views

How can the quantum theory be used to predict the electronic and magnetic properties of transition metal complexes with different ligands?

answered Feb 10 in Quantum Chemistry

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