Recent questions in Physical Chemistry

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How does the size and shape of gold nanoparticles affect their surface plasmon resonance (SPR) properties?

asked Feb 24 in Physical Chemistry by ValeriaStrom (1.7k points)

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1 answer 30 views

How does the size and shape of the catalyst affect the rate of a catalytic reaction?

asked Feb 24 in Physical Chemistry by ZellaSeamon3 (1.6k points)

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How does the size and shape of a catalyst affect the rate of a catalytic reaction?

asked Feb 24 in Physical Chemistry by LenoreCheval (2.4k points)

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How does the size and charge of particles in a colloid system affect the stability and interactions between particles in the system?

asked Feb 24 in Physical Chemistry by NicholasTwm2 (2.0k points)

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1 answer 32 views

What is the shape of the ammonia (NH3) molecule and how does the application of quantum mechanics elucidate its structural properties?

asked Feb 24 in Physical Chemistry by WalterC19362 (2.4k points)

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1 answer 38 views

How does the self-assembly of supramolecular structures contribute to the development of new materials with unique properties, and how can this be used in practical applications such as drug delivery systems or advanced electronic devices?

asked Feb 24 in Physical Chemistry by SommerBartos (1.8k points)

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1 answer 28 views

What is the relationship between the size of nanoparticles and their surface area to volume ratio, and how does this affect their properties and potential applications in different fields?

asked Feb 24 in Physical Chemistry by ZaraEnderby5 (2.1k points)

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What is the relationship between the molecular weight and the glass transition temperature of a polymer? Provide experimental evidence to support your answer.

asked Feb 24 in Physical Chemistry by JuliannSfd66 (2.0k points)

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What is the relationship between the molecular structure and the phase behavior of liquid crystal compounds? Provide concrete examples of liquid crystal compounds and how their molecular structure affects their phase behavior.

asked Feb 24 in Physical Chemistry by ShanicePeele (2.0k points)

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1 answer 32 views

What is the relationship between the frequency of infrared radiation and the type of molecular vibrations observed in a sample of organic compound?

asked Feb 24 in Physical Chemistry by Lourdes26529 (2.1k points)

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What is the relationship between the chemical structure of a molecule and its signal in a magnetic resonance spectrum? Provide one example of a chemical compound and explain how its chemical structure correlates with its magnetic resonance spectrum.

asked Feb 24 in Physical Chemistry by MarkusOrdone (1.9k points)

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What is the reaction rate law for the reaction A + 2B → C, if the rate varies with A to the power of 0.5 and B to the power of 1?

asked Feb 22 in Physical Chemistry by DevonHamlett (2.3k points)

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1 answer 38 views

What is the rate of reaction for the decompositions of hydrogen peroxide in the presence of a catalyst, and how does the rate change when the concentration of hydrogen peroxide or the temperature is varied?

asked Feb 22 in Physical Chemistry by FrancineCron (1.6k points)

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1 answer 25 views

How does the rate of a photochemical reaction change with varying intensity and wavelength of light?

asked Feb 22 in Physical Chemistry by KaiRazo33412 (1.9k points)

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What is the rate law for the reaction A + 2B → C, if the reaction is second order with respect to A and first order with respect to B?

asked Feb 22 in Physical Chemistry by KitRatley759 (1.9k points)

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1 answer 30 views

What is the rate law expression for the reaction A + 2B → C, if the reaction is second order with respect to A and first order with respect to B? Also, write down the overall order of the reaction.

asked Feb 22 in Physical Chemistry by Melanie86K41 (1.7k points)

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1 answer 31 views

What is the rate constant of a first-order reaction that has a half-life of 10 seconds and an initial concentration of 0.1 M?

asked Feb 22 in Physical Chemistry by CandraIdk507 (2.4k points)

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1 answer 22 views

What is the quantum yield of the photolysis of benzene on a certain wavelength λ? Provide a detailed explanation of the photophysical processes involved and the mathematical method used to calculate the quantum yield.

asked Feb 22 in Physical Chemistry by YaniraRhh59 (1.9k points)

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1 answer 28 views

What is the quantum yield of a photochemical reaction in which 50% of the absorbed photons lead to the formation of the product? How does it differ from the quantum efficiency of the reaction and how can it be experimentally determined?

asked Feb 22 in Physical Chemistry by MargieJobson (2.2k points)

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How do the properties of supramolecular systems change with changes in temperature?

asked Feb 22 in Physical Chemistry by AleciaAlleyn (1.5k points)

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