Recent activity by JacquelynDos

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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 1 day ago in Physical Chemistry

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What is the purity of a solid sample of aspirin, and does it meet the purity requirements for use in medicines, if it has a melting point range between 134-136°C?

answered 3 days ago in Analytical Chemistry

1 answer 24 views

What are the optimal conditions (temperature, concentration of reagents, and reaction time) required to prepare p-nitroaniline from aniline and nitric acid, and what is the percentage yield of the reaction under these conditions?

answered 3 days ago in Chemical synthesis

1 answer 4 views

How does the prediction of chemical reactivity and selectivity in a reaction help in designing new drugs with better efficacy and fewer side effects?

answered 3 days ago in Quantum Chemistry

1 answer 21 views

How does the particle size of a gold nanoparticle affect its photochemical properties such as absorbance, emission, and quantum yield under different light sources and intensities?

asked 4 days ago in PhotoChemistry

1 answer 25 views

What is the effect of increasing pressure on the reaction rate between hydrogen gas and iodine gas to form hydrogen iodide, and how does this relate to the collision theory of chemical reactions?

asked 6 days ago in Chemical kinetics

1 answer 23 views

How does the addition of a catalyst affect the equilibrium position of a chemical reaction at a constant temperature? Provide an example of a reversible reaction and the effect of a catalyst on its equilibrium constant.

answered Feb 17 in Chemical equilibrium

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How does the acidity of carboxylic acids vary with the substituents on the molecule? Compare the acidity of acetic acid with that of benzoic acid and explain why benzoic acid is a stronger acid.

answered Feb 17 in Organic Chemistry

1 answer 29 views

How does temperature affect the rate and mechanism of a chemical reaction at the molecular level, according to quantum chemistry principles?

asked Feb 17 in Quantum Chemistry

1 answer 26 views

How do proteases contribute to protein degradation and turnover in the cell, and what are the specific mechanisms involved in this process?

answered Feb 14 in BioChemistry

1 answer 41 views

What are the distinguishing characteristics of an ionic, covalent, and metallic solid? Give specific examples of each type of solid and explain their properties.

asked Feb 13 in Inorganic Chemistry

1 answer 36 views

What is the vibrational frequency and bond length of carbon dioxide molecule using infrared spectroscopy?

asked Feb 13 in Physical Chemistry

1 answer 39 views

What is the amount of heat required to melt 10 g of ice at 0°C, given that the heat of fusion of water is 6.01 kJ/mol?

asked Feb 13 in ThermoChemistry

1 answer 43 views

How does the density functional theory predict the electronic transport properties of a given material and what factors influence the conductivity of the material?

answered Feb 12 in Computational Chemistry

1 answer 39 views

How can the mechanical and physical properties of a polymer be optimized during the processing and manufacturing stage to achieve its desired end-use properties?

answered Feb 7 in Polymer Chemistry

1 answer 33 views

How can the efficiency of the photochemical degradation of pollutants be improved for industrial applications in water treatment facilities? What factors could potentially affect the photolysis rate of pollutants such as dyes, pharmaceuticals, and pesticides in the water?

asked Feb 7 in PhotoChemistry

1 answer 30 views

How can the compatibility between two polymer blend components be improved to enhance the mechanical properties of the resulting blend?

answered Feb 6 in Polymer Chemistry

1 answer 30 views

How can one predict the stability of inorganic compounds based on their chemical formula and structure?

answered Feb 5 in Inorganic Chemistry

1 answer 35 views

How can chemistry students effectively conduct experiments and complete coursework when they have limited access to laboratory equipment and facilities due to budget constraints?

asked Feb 4 in Chemical education

1 answer 30 views

How can chemistry students be given increased access to current research in the field, and what strategies can educators implement to better integrate this research into classroom instruction and student learning experiences?

answered Feb 4 in Chemical education

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