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What is the effect of varying the distance between the atoms in a hydrogen bond on the strength of the interaction, as determined through quantum chemical calculations?

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

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What would be the effect of changing the concentration of NaCl solution on the solubility of AgCl? Provide a detailed explanation using the solubility product constant and Le Chatelier's principle to support your answer.

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

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What are the strongest intermolecular forces present in a sample of water?

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

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How does the strength of intermolecular forces affect the boiling point of substances and can we accurately predict the boiling point of a substance based on its molecular structure and intermolecular forces?

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

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What is the strength of the non-covalent interaction between a water molecule and a hydrogen fluoride molecule, according to quantum chemical calculations?

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

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What is the standard enthalpy change of fusion for water? Show your calculation using the given data: the molar enthalpy of fusion of ice is 6.01 kJ/mol and the molar enthalpy of vaporization of water is 40.67 kJ/mol.

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

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What is the effect of nanoparticle size and shape on its photochemical properties? Please provide examples and discuss the underlying mechanisms behind these observations.

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

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How do the size and shape of quantum dots affect their photochemical properties?

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

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

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

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How does the strength of the ligand affect the crystal field splitting energy in a coordination complex? Provide specific examples and explain the implications of this relationship in coordination chemistry.

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

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How do the specific properties of metal alloys, such as strength, ductility, and corrosion resistance, affect their suitability for use in aerospace applications, and how can these properties be optimized for maximum performance and safety?

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

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How does the stereochemistry of the starting material affect the stereochemistry of the product in a 1,2-methyl shift rearrangement of cyclohexenes? Provide an example reaction and explain the mechanism behind the observed stereochemistry.

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

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What is the standard enthalpy of formation of water (H2O) at 25°C and 1 atm pressure, given the heat of formation of hydrogen gas (H2) is +68.32 kJ/mol and the heat of formation of oxygen gas (O2) is zero?

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

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What is the standard enthalpy change of formation of hydrogen gas (H2) when one mole of hydrogen gas is formed from its elements under standard conditions, given that the standard enthalpy change of formation for water (H2O) is -285.8 kJ/mol?

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

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What is the maximum amount of potassium nitrate that can dissolve in 100 mL of water at 25°C?

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

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What is the step-by-step procedure for preparing 2,4-dinitrophenol from phenol and nitric acid, and what are the properties and uses of 2,4-dinitrophenol in chemistry and industry?

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

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What are the factors that affect the stability of emulsions and how can they be controlled to achieve long-term stability?

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

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What is the solubility of copper (II) sulfate in water at room temperature?

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

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What is the heat capacity of 25 grams of water at 25°C if it takes 4184 J of heat to raise its temperature by 1°C?

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

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What is the standard electrode potential for the reduction of Ag+ ions to Ag(s) at a temperature of 25°C, given that the standard electrode potential for the standard hydrogen electrode is 0.00 V and the standard electrode potential for Ag+/Ag is +0.80 V?

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

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