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What is the specific metal center and coordination geometry of the active site in the metalloenzyme carbonic anhydrase, and how does this structure allow for the efficient catalysis of the hydration of carbon dioxide to bicarbonate?

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

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How do different sizes of quantum dots affect their photochemical properties and fluorescence efficiency in photochemistry experiments?

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

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How does the size of quantum dots affect their photochemical properties such as absorbance and emission spectra?

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

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How does the specific interaction between carbohydrates and proteins contribute to the function of enzymes involved in cellular metabolism?

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

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What is the standard electrode potential of the Zn/Zn2+ half-cell at 25°C if its standard reduction potential is -0.76 V?

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

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What is the maximum amount of potassium chloride (KCl) that can be dissolved in 100 mL of water at room temperature?

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

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What is the specific carbohydrate-protein interaction that occurs between the enzyme amylase and the substrate starch during digestion, and how does this interaction affect the catalytic activity of amylase?

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

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How does the size and shape of a nanoparticle affect its behavior and properties, as analyzed through molecular dynamics simulations?

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

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How does the size of nanoparticles affect their surface area and reactivity? Provide experimental evidence to support your answer.

asked Feb 25 in Physical 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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What is the effect of pH on the stability of a colloidal sol of Fe(OH)3? Provide experimental evidence to support your answer.

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

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How does the specific amino acid sequence of a protein affect its binding affinity and conformational changes when interacting with a DNA molecule, as observed through molecular dynamics simulations?

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

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What is the standard enthalpy change for the vaporization reaction of ethanol (C2H5OH) given that the heat of vaporization at its boiling point of 78.4 °C is 38.56 kJ/mol?

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

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What is the relationship between the strength of intermolecular forces and the boiling point of a substance? Provide two examples of substances with different types of intermolecular forces and explain why one has a higher boiling point than the other.

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

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How does the size of a molecule or nanoparticle affect the quantum transport properties, such as conductivity and resistance, in molecular and nanoscale systems?

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

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What is the effect of pH on the stability of lyophobic colloids? Support your answer with appropriate examples and experimental data.

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

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How does the size and shape of graphene nanoribbons affect their electronic and optical properties compared to bulk graphene? Provide calculations to support your answer.

asked Feb 25 in Quantum 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 spliceosome identify which parts of the pre-mRNA to splice together during RNA processing and splicing, and what chemical factors are involved in determining the precise splicing pattern?

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

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What are the factors affecting the strength of hydrogen bonding between a water molecule and a nitrogen molecule, based on quantum chemical calculations of non-covalent interactions?

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

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