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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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How does the size of metal nanoparticles affect their catalytic activity in the selective oxidation of hydrocarbons on metal surfaces?

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

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What is the standard enthalpy of formation of carbon dioxide (CO2) when combustion of graphite and oxygen gas is proceeded? Given the standard enthalpy of formation of graphite is 0, and the standard enthalpy of formation of O2 is 0.

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

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How does the size and shape of nanoparticles affect the phase transition behavior of a substance, and how can Monte Carlo simulations be used to predict and understand these effects?

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

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What is the standard enthalpy of formation of butane (C4H10) at 298 K and 1 atm pressure?

asked Feb 25 in Chemical thermodynamics 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 specific arrangement of carbohydrate molecules on the surface of a protein affect its ability to recognize and bind to other molecules?

asked Feb 25 in BioChemistry 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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How does the strength of the non-covalent interaction between a cation and an anion in a salt bridge vary with the size of the ions, as calculated using quantum chemical methods?

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

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What factors contribute to the stability of oil-in-water emulsions and how can they be controlled?

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

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How does the size of a quantum dot affect its photochemical properties, specifically its absorption spectrum and quantum yield?

asked Feb 25 in PhotoChemistry 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 is the effect of the surface charge and size of colloidal particles on their stability and interactions with each other and the surrounding environment?

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 given the following information?Iodine (s) → Iodine (g)ΔHf° (Iodine, s) = 0 kJ/molΔHsub° (Iodine) = 62.4 kJ/mol Calculate ΔH° for the sublimation of iodine.

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

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How does the strength of the metal surface affect the selectivity of hydrocarbon oxidation on the surface?

asked Feb 25 in Surface 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 reaction between hydrochloric acid and sodium hydroxide at 25℃? The reaction equation is HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l).

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

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How does the size and shape of nanomaterials affect their catalytic activity in various chemical reactions?

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

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How does the size and shape of a gold nanoparticle influence its stability and reactivity in a molecular dynamics simulation?

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

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What are the factors that determine the strength and stability of a covalent bond in a molecular compound?

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

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