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How does the electrokinetic potential affect the stability of colloidal systems and what is the mechanism behind it?
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Surface Chemistry
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What is the effect of pH on the electrokinetic potential of colloidal particles in a solution of known ionic strength?
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What is the effect of pH on the electrokinetic potential of a colloidal system consisting of silica nanoparticles in aqueous solution?
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How does the electrokinetic potential of a colloidal system change with varying pH levels?
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What is the effect of pH and temperature on the electrokinetic potential of a colloidal system containing silica nanoparticles?
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How does the electrokinetic potential affect the stability of colloidal systems in terms of zeta potential?
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What is the effect of pH on the electrokinetic potential of colloidal silica particles in aqueous solution?
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Surface Chemistry
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What is the effect of pH on the electrokinetic potential of a positively charged colloidal particle in an aqueous solution? Provide an explanation based on the theory of double layer formation.
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Feb 20
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Surface Chemistry
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What is the effect of different metal ions on the electrochemical properties of metalloporphyrins and metallophthalocyanines? Compare and contrast the behavior of two different metalloporphyrins or metallophthalocyanines containing different metal ions.
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Feb 20
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Coordination Chemistry
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What is the electrical conductivity of sodium chloride in water at various concentrations and temperatures? How does the conductivity change with the concentration of the salt and the temperature of the solution?
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Inorganic Chemistry
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What is the effect of polymer chain length on the electrical conductivity of polymer-based electronic materials?
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What is the effect of monomer structure on the electrical conductivity of polymer-based electronic materials?
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Polymer Chemistry
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How does the type and concentration of inorganic compounds affect their electrical conductivity?
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Inorganic Chemistry
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What is the effect of the number of layers of graphene on its electrical conductivity and how does it affect its potential use in electronic devices?
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Materials Chemistry
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What is the effect of the molecular weight and polymer chain structure on the electrical conductivity of conductive polymers for use in flexible electronics?
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Materials Chemistry
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What is the effect of different dopants on the electrical conductivity of conductive polymers and how does this relate to their suitability for use in flexible electronics applications?
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Materials Chemistry
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What is the effect of temperature on the electrical conductivity of an ionic liquid consisting of tetraethylammonium chloride and ethylene glycol?
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Feb 20
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Physical Chemistry
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What is the effect of changing the concentration of a soluble inorganic salt (e.g. NaCl) on its electrical conductivity?
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Feb 20
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Inorganic Chemistry
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How do the molecular structure and doping level affect the electrical conductivity and stability of conductive polymers, specifically polyaniline and polypyrrole, and how can these properties be optimized for use in flexible electronic devices?
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Feb 20
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Materials Chemistry
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What conditions and reagents are necessary for the efficient synthesis of polyvinyl chloride from vinyl chloride monomer, and how do these parameters affect the yield and properties of the resulting polymer?
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Feb 20
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Chemical synthesis
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