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What are the factors affecting the stability of oil-in-water emulsions and how can they be controlled or manipulated?

asked Feb 25 in Surface Chemistry by TheScientist (138k points)

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How does the strength of hydrogen bonding between water molecules vary at different temperatures? Use quantum chemical calculations to determine the changes in bonding energy and intermolecular distance as water is heated from 0°C to 100°C.

asked Feb 25 in Computational Chemistry by TheScientist (138k points)

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What is the solubility of Calcium phosphate (Ca3(PO4)2) in water at standard temperature and pressure, and how does it compare to the solubility of Calcium carbonate (CaCO3)?

asked Feb 25 in Inorganic Chemistry by TheScientist (138k points)

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How does the size or shape of gold nanoparticles affect their catalytic activity in the oxidation of carbon monoxide?

asked Feb 25 in Materials Chemistry by TheScientist (138k points)

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What is the standard enthalpy change for the neutralization of hydrochloric acid (HCl) with sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water (H2O), given that the reaction takes place at standard conditions?

asked Feb 25 in Chemical thermodynamics by TheScientist (138k points)

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What is the maximum amount of NaCl that can dissolve in 100 ml of water at room temperature?

asked Feb 25 in Physical Chemistry by TheScientist (138k points)

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How does the strength and specificity of noncovalent interactions, such as hydrogen bonding and π-stacking, affect the formation and stability of supramolecular assemblies at the molecular level?

asked Feb 25 in Computational Chemistry by TheScientist (138k points)

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What is the standard enthalpy change for the formation of 1 mole of carbon dioxide (CO2) gas from solid elemental carbon (C) and gaseous molecular oxygen (O2) at 298 K? The relevant balanced chemical equation is: C(s) + O2(g) → CO2(g).

asked Feb 25 in Chemical thermodynamics by TheScientist (138k points)

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How does the size of the polymer chain affect its conformations in a Monte Carlo simulation?

asked Feb 25 in Computational Chemistry by TheScientist (138k points)

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What specific process is involved in the chemical synthesis of polyvinyl chloride from vinyl chloride monomer, and what are the reaction conditions required for the reaction to take place successfully?

asked Feb 25 in Chemical synthesis by TheScientist (138k points)

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What is the effect of temperature on the solubility of potassium nitrate in water and how does it relate to the phase behavior of the system? Provide experimental evidence to support your answer.

asked Feb 25 in Physical Chemistry by TheScientist (138k points)

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What is the standard electrode potential of the following redox reaction at 25°C?Fe2+(aq) + 2e- -> Fe(s)Given that the standard electrode potential of Fe2+(aq) is +0.44 V and the standard electrode potential of Fe(s) is 0 V.

asked Feb 25 in Chemical thermodynamics by TheScientist (138k points)

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What is the standard reduction potential of a copper electrode in a 1 M Cu2+ solution at 25°C? How would the standard reduction potential change if the copper concentration was changed to 0.1 M Cu2+?

asked Feb 25 in Physical Chemistry by TheScientist (138k points)

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How does the size and shape of a nanostructure affect its electronic properties and optical behavior, and how can these properties be calculated using quantum chemistry methods?

asked Feb 25 in Quantum Chemistry by TheScientist (138k points)

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How does the size of quantum dots affect their photochemical properties, specifically their optical absorption and emission spectra?

asked Feb 25 in PhotoChemistry by TheScientist (138k points)

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What is the effect of pH on the stability of colloidal silver nanoparticles?

asked Feb 25 in Physical Chemistry by TheScientist (138k points)

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How does the specific arrangement of sugar molecules in carbohydrates affect their interaction with proteins and their recognition by the body's immune system?

asked Feb 25 in BioChemistry by TheScientist (138k points)

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What is the effect of electrolyte concentration on the stability of colloidal dispersions?

asked Feb 25 in Physical Chemistry by TheScientist (138k points)

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How does the specific arrangement of molecules in a supramolecular assembly affect its photochemical properties, such as its ability to absorb or emit light? Can these properties be manipulated by altering the composition or structure of the assembly?

asked Feb 25 in PhotoChemistry by TheScientist (138k points)

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How does the size of particles affect the stability of colloidal suspensions and their ability to scatter light? Provide experimental evidence to support your answer.

asked Feb 25 in Physical Chemistry by TheScientist (138k points)

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