Recent activity by HalleySomers

1 answer 29 views

How do the rheological properties of polymer melts, such as viscosity and elasticity, influence the processing and final properties of polymer materials in industrial applications?

answered 3 days ago in Polymer Chemistry

1 answer 24 views

How does pH affect the stability of colloidal particles and their tendency to coagulate?

answered 5 days ago in Surface Chemistry

1 answer 26 views

What is the overpotential of an electrochemical reaction if the standard potential is 0.8V and the measured potential is 1.2V?

asked 5 days ago in ElectroChemistry

1 answer 23 views

What is the optimal polymer structure and molecular weight range for a polymer-based drug delivery system that can effectively and safely transport chemotherapy drugs to cancer cells with minimal side effects?

answered 6 days ago in Polymer Chemistry

1 answer 22 views

How does the equilibrium position of an acid-base reaction change when the pH of the solution is altered?

asked Feb 20 in Chemical equilibrium

1 answer 32 views

What is the equilibrium constant expression for the dissociation of acetic acid, CH3COOH, in water? Calculate the equilibrium constant value given that the pH of the solution is 4.5 and the initial concentration of acetic acid is 0.1 M.

asked Feb 19 in Chemical equilibrium

1 answer 17 views

What is the critical temperature of nitrogen and why is it important in industrial applications?

asked Feb 19 in Physical Chemistry

1 answer 24 views

What is the balanced chemical equation for the preparation of phenylalanine from benzyl chloride and ammonia, and what is the theoretical yield of phenylalanine that can be obtained from 50 g of benzyl chloride and an excess of ammonia?

answered Feb 17 in Chemical synthesis

1 answer 38 views

How does the absorption spectrum of a lanthanide complex change in response to exposure to different wavelengths of light, and what factors influence the efficiency of its photochemistry?

answered Feb 17 in PhotoChemistry

1 answer 29 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 17 in Surface Chemistry

1 answer 32 views

What factors contribute to protein stability and how do they affect the function of the protein?

answered Feb 14 in BioChemistry

1 answer 32 views

What is the role of nitrogen oxides in the formation of smog and how does smog impact human respiratory health?

answered Feb 14 in Environmental Chemistry

1 answer 34 views

What is the effect of increasing the concentration of reactants on the reaction rate of the reaction between potassium permanganate and oxalic acid in an acidic medium?

answered Feb 13 in Chemical kinetics

1 answer 45 views

How can we design an effective drug to specifically target and eliminate Methicillin-resistant Staphylococcus aureus (MRSA) bacteria, while minimizing unnecessary harm to the patient's normal microbiota?

answered Feb 12 in Medicinal Chemistry

1 answer 29 views

What design parameters should be considered while designing a chemical reactor for the production of ethanol through the catalytic reaction of ethylene and steam, and how can the reactor be optimized to achieve maximum yield and productivity?

asked Feb 12 in Chemical engineering

1 answer 36 views

How can the surface properties of a polymer be modified to improve its adhesion to metal substrates?

answered Feb 11 in Surface Chemistry

1 answer 37 views

How can the magnetic properties of a material be optimized for use in data storage applications, and which parameters affect the performance of magnetic storage devices?

answered Feb 7 in Materials Chemistry

1 answer 43 views

Design a polymer-based sensor that can detect the presence of heavy metals in water and suggest a mechanism for its working.

asked Feb 4 in Polymer Chemistry

1 answer 37 views

Calculate the standard free energy change for the following redox reaction at 298 K:Mg(s) + 2H+(aq) -> Mg2+(aq) + H2(g)Given: Eºred for Mg2+/Mg = -2.37 V & Eºred for H+/H2 = 0 V.

asked Feb 3 in Chemical thermodynamics

1 answer 51 views

How does changing the temperature affect the conformational behavior of a polymer chain in a Monte Carlo simulation?

answered Feb 3 in Computational Chemistry

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