Recent questions in Physical Chemistry

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How does the molecular weight of a polymer affect its physical properties at different temperatures, and what is the relationship between polymer molecular weight and its glass transition temperature?

asked Feb 21 in Physical Chemistry by Rosaline02Y (2.0k points)

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1 answer 74 views

What is the effect of molecular weight on the mechanical strength of a polymer?

asked Feb 21 in Physical Chemistry by CharlesAlcal (2.0k points)

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What is the effect of molecular weight and chain length on the physical properties of a polymer? Provide specific examples of how different molecular weights and chain lengths can affect the properties of a polymer, such as its melting point or viscosity.

asked Feb 21 in Physical Chemistry by DeenaKuhn606 (2.0k points)

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How does the molecular structure affect the self-assembly process in supramolecular chemistry? Provide specific examples and explain the underlying principles behind the observed behavior.

asked Feb 21 in Physical Chemistry by NoeX25113136 (1.9k points)

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How does the molecular structure of liquid crystal compounds affect their phase transition temperatures and optical properties?

asked Feb 21 in Physical Chemistry by FredrickNobe (2.2k points)

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How does the molecular structure of a surfactant affect the self-assembly behavior and physical properties of its resulting supramolecular aggregates in solution?

asked Feb 21 in Physical Chemistry by KatriceBooze (1.4k points)

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How does the molecular structure of a drug molecule relate to its biological activity, and how can computational chemistry be used to predict and optimize a drug's bioactivity?

asked Feb 21 in Physical Chemistry by Marcella96R (2.4k points)

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What is the molecular shape of the methane molecule (CH4) according to the valence shell electron pair repulsion (VSEPR) theory, and what is the explanation for it from the quantum mechanics point of view?

asked Feb 21 in Physical Chemistry by Lula12H24597 (2.6k points)

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What is the molecular shape of carbon dioxide (CO2) and how does it relate to its electronic geometry?

asked Feb 21 in Physical Chemistry by TroyPurton77 (1.9k points)

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What is the molecular geometry of methane (CH4) and how can it be determined using quantum mechanics principles?

asked Feb 21 in Physical Chemistry by Sterling80B (2.1k points)

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What is the Miller index of a crystal face with a normal vector of [1 0 -1] in a cubic lattice with a lattice constant of 4 Å?

asked Feb 20 in Physical Chemistry by BlancaVennin (1.5k points)

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What is the mechanism of photoinduced electron transfer in a dye-sensitized solar cell, and what factors affect its efficiency?

asked Feb 20 in Physical Chemistry by ClarkPuig93 (2.0k points)

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1 answer 86 views

What is the maximum work that can be obtained from the irreversible expansion of an ideal gas at constant temperature and pressure?

asked Feb 20 in Physical Chemistry by CIGArmando01 (1.8k points)

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What is the maximum amount of work that can be obtained from a chemical reaction at constant temperature and pressure, assuming perfect reversibility and no external work?

asked Feb 20 in Physical Chemistry by JoelPrentice (1.4k points)

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What is the maximum amount of work that can be obtained from a chemical reaction at constant temperature and pressure, given the Gibbs free energy change of the reaction is -20 kJ/mol?

asked Feb 20 in Physical Chemistry by MariRosetta0 (2.2k points)

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What is the effect of ionic strength on the stability and behavior of colloidal particles and how can it be controlled or manipulated?

asked Feb 20 in Physical Chemistry by MariRosetta0 (2.2k points)

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How does the intensity of the infrared spectrum produced by a molecule change when the molecule undergoes a bond vibration?

asked Feb 20 in Physical Chemistry by TiaraFitzgib (2.1k points)

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1 answer 78 views

How does the intensity of light affect the rate of a photochemical reaction and what factors should be considered when designing an experiment to measure this relationship?

asked Feb 20 in Physical Chemistry by MammieArmyta (1.8k points)

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1 answer 89 views

How does the intensity of light affect the rate of a photochemical reaction? Provide experimental evidence to support your answer.

asked Feb 20 in Physical Chemistry by AgustinSteed (2.2k points)

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What is the impact of temperature on the solubility of a solute in a solvent? Provide detailed explanation and experimental evidence to support your answer.

asked Feb 20 in Physical Chemistry by BarneyUyv133 (1.7k points)

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