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How does the use of different catalysts affect the rate of a specific catalytic reaction, such as the decomposition of hydrogen peroxide, and how can this be measured experimentally?

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

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How does the use of computational methods in quantum chemistry allow for the accurate prediction of reaction pathways and the selectivity of reactions?

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

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What is the effect of pH and ionic strength on the zeta potential of alumina particles in aqueous dispersion?

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

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How can the use of ultrasound be optimized to enhance the synthesis of metal-organic frameworks?

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

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What is the synthesis procedure of the coordination compound [NiCl2(PPh3)2] and how can its purity be determined using spectroscopic techniques?

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

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What is the optimal temperature and reaction time required for the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine, and how do these variables affect the yield and physical properties of the resulting polymer?

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

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Identify the type of isomerism present in the following pair of compounds: but-1-ene and but-2-ene. Explain the difference in their chemical and physical properties.

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

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What is the theoretical basis for the electronic and optical properties of graphene and other 2D materials, and how can quantum chemical calculations be used to predict and understand these properties?

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

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What are the chemical and physical characterization techniques used to identify the molecular weight and distribution of a polymer?

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

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What is the effect of pH and electrolyte concentration on the zeta potential measurement of a colloidal suspension in aqueous medium?

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

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How does the temperature affect the phase transition behavior of a liquid crystal using Monte Carlo simulations?

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

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What is the enthalpy of vaporization of benzene if it requires 45.8 kJ/mol of energy to vaporize 100 grams of benzene at its boiling point of 80.1°C?

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

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How does the toxicity of existing drugs vary with changes in their chemical structures?

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

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How can the synthesis of quantum dots be optimized to produce particles with narrower size distribution and improved optical properties for potential application in electronic devices and biomedicine?

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

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How can the use of nanotechnology improve the drug delivery system of a chemotherapeutic agent to selectively target cancer cells while reducing the toxicity to healthy cells?

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

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Identify the type of bonding present in the compound lead(II) sulfide (PbS) and explain your reasoning.

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

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What are the common types of chemical reactions and how do we balance them using chemical equations?

asked Mar 1 in Chemical education by TheScientist (138k points)

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How has the understanding of chemical elements evolved throughout history and what impact has this had on modern chemistry?

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

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Identify the type of bonding present in a substance whose melting point is 801℃, is brittle, and conducts electricity when dissolved in water.

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

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What is the optimal catalyst and reaction conditions for the synthesis of high molecular weight polyvinyl alcohol from vinyl acetate monomer?

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

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