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What is the effect of pH on the zeta potential of silica nanoparticles and how can it be measured experimentally?

asked Feb 28 in Surface Chemistry by TheScientist (138k points)

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What is the effect of pH on the zeta potential of silica nanoparticles and how can it be measured?

asked Feb 28 in Surface Chemistry by TheScientist (138k points)

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What is the specific reaction mechanism involved in the synthesis of polyethylene from ethylene monomer, and how does it affect the properties of the resulting polymer?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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How does the ubiquitin-proteasome system contribute to protein turnover and degradation in cells, and what are the underlying mechanisms and factors that regulate this process?

asked Feb 28 in BioChemistry by TheScientist (138k points)

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What is the three-dimensional structure of the nucleotide bases within a single strand of RNA, and how does this structure affect the function of the RNA molecule?

asked Feb 28 in BioChemistry by TheScientist (138k points)

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How does the three-dimensional structure of a protein determine its function in the human body?

asked Feb 28 in Organic Chemistry by TheScientist (138k points)

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What is the optimal reaction conditions for the synthesis of polyvinyl alcohol (PVA) from vinyl acetate monomer (VAM) such that the resulting PVA has a high degree of polymerization and high molecular weight?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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How can the use of catalysts improve the efficiency of the Haber-Bosch process for the production of ammonia, a key component in fertilizer production?

asked Feb 28 in Chemical engineering by TheScientist (138k points)

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How does the zeta potential vary with pH in a colloidal solution of iron oxide nanoparticles?

asked Feb 28 in Surface Chemistry by TheScientist (138k points)

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What are the effects of different synthesis methods on the optical properties and size distribution of quantum dots?

asked Feb 28 in Materials Chemistry by TheScientist (138k points)

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How does the use of a catalyst affect the rate of reaction in the decomposition of hydrogen peroxide?

asked Feb 28 in Chemical kinetics by TheScientist (138k points)

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What is the corrosion potential of a copper metal when it is submerged in seawater at 25°C with a pH level of 8.2? Use the Nernst equation to calculate the corrosion potential.

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

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Which natural products have potential medicinal uses and what are their pharmacological properties that make them effective?

asked Mar 1 in Medicinal Chemistry by TheScientist (138k points)

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Identify the type of bonding present in diamond and justify your answer using evidence from its physical and chemical properties.

asked Feb 28 in Chemical bonding by TheScientist (138k points)

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What methods can be used for the synthesis and characterization of new materials for use in high-efficiency solar cells, and how can these materials be optimized for maximum photovoltaic performance?

asked Mar 1 in Materials Chemistry by TheScientist (138k points)

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What is the optimal temperature, pressure and catalyst ratio required for the synthesis of polyethylene from ethylene monomer to achieve the highest yield and molecular weight of the polymer?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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How does the wavelength of incident light affect the rate of electron transfer in a photochemical reaction between a metal complex and a sacrificial electron donor?

asked Feb 28 in Physical Chemistry by TheScientist (138k points)

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How does the type and nature of the solid surface affect the adsorption of proteins, and how can this knowledge be utilized to design more efficient biomedical implants?

asked Feb 28 in Surface Chemistry by TheScientist (138k points)

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What is the procedure for synthesizing aspirin from salicylic acid and acetic anhydride, and what are the mechanisms involved in each step of the reaction?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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What is the optimal reaction conditions (temperature, pressure, and concentration) for the synthesis of phenylalanine from benzyl chloride and ammonia to achieve the highest yield?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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