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What is the standard enthalpy change of neutralization for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)? Assume that the reaction occurs in aqueous solution and that the products are water (H2O) and sodium chloride (NaCl).

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

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What is the effect of particle size on the stability of a colloidal suspension?

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

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How does the stretching frequency of a covalent bond change with the mass of the atoms involved? Use spectroscopy and molecular vibrations to explain the relationship.

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

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What is the standard enthalpy change for the vaporization reaction of ethanol (C2H5OH) at 298 K, given that the enthalpy of vaporization of ethanol is 38.56 kJ/mol and the standard enthalpy of formation of liquid ethanol is -277.69 kJ/mol?

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

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How does the specific amino acid sequence of a protein determine its unique 3D structure and function in important biological processes such as enzyme catalysis?

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

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What is the solubility of Calcium Sulfate (CaSO4) in water at 25°C? Provide a numerical value and explain the factors that influence its solubility in water.

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

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What are the key factors that affect the stability and specificity of protein-protein interactions and how do they impact the formation of protein complexes?

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

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What is the standard enthalpy change for the sublimation of solid carbon dioxide at 25°C, if 50 g of carbon dioxide is sublimed?

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

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What are the factors affecting the size and shape of nanoparticles, and how can these properties be manipulated to enhance their catalytic activity?

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

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What is the standard enthalpy change for the sublimation of iodine at 25°C and 1 atm pressure, if the enthalpy of formation of solid iodine is -107.3 kJ/mol and that of gaseous iodine is 62.4 kJ/mol?

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

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How does the size of a metal nanoparticle affect its surface properties when studied using density functional theory calculations?

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

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How does the stability of inorganic compounds vary with their electronic configuration and oxidation state?

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

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What is the solubility of sodium chloride (NaCl) in water at 25°C, given that its solubility product constant (Ksp) is 36?

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

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How does the solubility of a substance in a solvent depend on its chemical bonding?

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

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What factors determine the stability of inorganic compounds, and how can we predict whether a given compound is stable or not in a given environment?

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

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What is the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water (H2O) at a constant pressure and temperature of 298 K?

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

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How does the size of a gold nanoparticle affect its surface chemistry and reactivity in a water environment as simulated through molecular dynamics simulations?

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

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What is the standard enthalpy change for the fusion of 1.5 moles of solid lead (Pb) to liquid lead at its melting point? The molar enthalpy of fusion of lead is 4.79 kJ/mol.

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

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What is the solubility of sodium chloride (NaCl) in water at 25°C, and how does it compare to the solubility of magnesium sulfate (MgSO4) in water at the same temperature?

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

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What is the standard enthalpy change for the combustion of methane (CH4) gas at 298 K and 1 atm?

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

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