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What is the standard enthalpy change for the reaction taking place between hydrogen gas and oxygen gas to produce water vapor at standard conditions?

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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How does the size of nanomaterials affect their electronic and optical properties, and how can these properties be accurately calculated using quantum chemistry methods?

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

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How does the size of metallic nanoparticles affect their optical properties, and how can we calculate these properties using quantum chemical methods?

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

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What is the standard electrode potential for the redox reaction between copper and silver ions at 25°C and standard pressure (1 atm)?

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

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What is the standard enthalpy of formation of methane gas at 298 K, assuming ideal gas behavior?

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

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What is the effect of particle size and charge on the stability of colloidal solutions?

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

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What is the specific carbohydrate-protein interaction that occurs between the enzyme amylase and the substrate starch during digestion, and how does this interaction affect the catalytic activity of amylase?

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

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What is the standard enthalpy change of neutralization for the reaction between hydrochloric acid and sodium hydroxide? Show all calculations and provide a conclusion based on your result.

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

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What is the effect of pH on the stability of lyophobic colloids? Support your answer with appropriate examples and experimental data.

asked Feb 25 in Surface 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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How does the size and shape of nanoparticles affect their photochemical properties? Provide a detailed explanation using specific examples.

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

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What is the standard enthalpy change for the phase transition reaction of water when it freezes at a temperature of -10°C and a pressure of 1 atm?

asked Feb 25 in Chemical thermodynamics 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 strength and nature of intermolecular interactions affect the solubility of a solute in a particular solvent?

asked Feb 25 in Quantum 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 maximum amount of sodium chloride (NaCl) that can be dissolved in 100 mL of water at 25°C?

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 will be stable or not? Provide specific examples to support your answer.

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

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How does the concept of bond strength and lattice energy help in predicting the stability of inorganic compounds?

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

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What are the factors that affect the stability of emulsions and how can they be manipulated to increase stability in a particular emulsion?

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

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