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How does the energy profile of an excited state of a molecule differ from its ground state, and how can we predict the transitions between them using quantum chemical calculations?

asked Feb 20 in Computational Chemistry by ZellaSeamon3 (1.6k points)

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What is the Faraday constant, and how is it calculated for a given electrochemical cell? Take the example of a cell with nickel electrodes in 1M nickel sulfate solution at 25°C and apply the formula to determine the Faraday constant.

asked Feb 20 in ElectroChemistry by SilviaKetcha (1.6k points)

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What is the Faraday constant and how would you calculate its value using copper electroplating as a case study?

asked Feb 20 in ElectroChemistry by MillaFredric (1.5k points)

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What is the ground state electronic configuration and bond order of the oxygen molecule using Molecular Orbital Theory?

asked Feb 20 in Quantum Chemistry by SammieToohey (1.6k points)

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What is the mechanism of the Hofmann Elimination reaction and how does it differ from E1 and E2 reactions? Provide examples of substrates and conditions that favor Hofmann Elimination over E1 or E2 reactions.

asked Feb 20 in Organic Chemistry by WaldoBeak339 (2.2k points)

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What is the mechanism of the Hofmann Elimination reaction with primary amines, and how does it differ from the E2 mechanism? Provide an example of each mechanism and explain the differences in the products.

asked Feb 20 in Organic Chemistry by TorySelwyn2 (2.1k points)

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How does the electronic band structure of a material change as the lattice parameters are varied using density functional theory?

asked Feb 20 in Computational Chemistry by Benedict1233 (1.9k points)

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How does the regulation of the glycolytic pathway differ between aerobic and anaerobic conditions in mammalian cells, and what are the key enzymes and molecules involved in this regulation?

asked Feb 20 in BioChemistry by SelmaBumgarn (1.9k points)

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What is the effect of different additives and processing techniques on the environmental impact of polymer-based packaging materials?

asked Feb 20 in Polymer Chemistry by PalmaYuille (2.1k points)

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What is the mechanism of electrophilic addition reaction of propene and hydrochloric acid?

asked Feb 20 in Organic Chemistry by DelilahKyte3 (1.8k points)

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How does a change in pH affect the formation of the complex ion Cu(NH3)4^2+ from Cu2+ and NH3? Provide a detailed explanation with chemical equations and calculations.

asked Feb 20 in Chemical equilibrium by TeshaDeuchar (1.9k points)

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How does the formation of surface oxides lead to passivation and prevent corrosion in metals exposed to acidic environments?

asked Feb 20 in Surface Chemistry by AWSReginald (2.2k points)

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How does the formation of reaction products affect the rate of the chemical reaction between hydrochloric acid and magnesium ribbon?

asked Feb 20 in Chemical kinetics by MaggieTrujil (1.6k points)

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What is the mechanism behind the formation of pyrrole, a common five-membered heterocyclic compound? How does the electron density within pyrrole's ring contribute to its chemical reactivity?

asked Feb 20 in Organic Chemistry by SZVRamon1645 (2.4k points)

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What is the hybridization of the carbon atom in methane (CH4)?

asked Feb 20 in Chemical bonding by HeidiElmslie (1.8k points)

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What is the effect of the excitation wavelength on the fluorescence emission of a specific molecule or material?

asked Feb 20 in Quantum Chemistry by SammieToohey (1.6k points)

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What is the electronegativity difference between a carbon atom with an electronegativity of 2.55 and a hydrogen atom with an electronegativity of 2.20 in a methane molecule?

asked Feb 20 in Chemical bonding by MadeleineCat (1.5k points)

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What is the enthalpy of vaporization for water at 100°C, given that its molar heat of vaporization at its boiling point is 40.7 kJ/mol?

asked Feb 20 in ThermoChemistry by DexterTejada (1.7k points)

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What is the effect of changing the hydrophobic/hydrophilic balance of a surfactant on its foaming capabilities?

asked Feb 20 in Surface Chemistry by TroyWitcher8 (2.1k points)

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What is the effect of the excitation wavelength on the fluorescence emission of Rhodamine B dye in aqueous solution?

asked Feb 20 in PhotoChemistry by FinleyConsta (2.4k points)

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