Recent activity by JudithMackni

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How does the size and shape of nanoparticles affect their photochemical properties? Use specific examples and scientific evidence to support your answer.

answered 21 hours ago in PhotoChemistry

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How does the size and shape of nanoparticles affect their photochemical properties? Provide a detailed explanation using specific examples.

answered 22 hours ago in PhotoChemistry

1 answer 26 views

How does the size and shape of nanoparticles affect their catalytic activity in a specific reaction?

answered 22 hours ago in Materials Chemistry

1 answer 18 views

What is the relationship between the strength of intermolecular forces and the boiling point of a substance in organic molecules with various functional groups, and how can this relationship be used to predict the boiling points of different compounds?

answered 1 day ago in Chemical bonding

1 answer 18 views

How does the rate of the reaction between magnesium and hydrochloric acid affect the yield of hydrogen gas produced?

asked 3 days ago in Chemical kinetics

1 answer 3 views

What are the differences in the photochemical properties of R and S enantiomers for a specific molecule and how can this information be used in designing chiral photochemical reactions?

answered 3 days ago in PhotoChemistry

1 answer 23 views

How do the photochemical properties of photosensitive materials affect the final image produced in photography?

asked 3 days ago in PhotoChemistry

1 answer 18 views

What are the photochemical properties of [Fe(CN)6]^-4 and [Co(NH3)5Cl]2+ coordination compounds? Explain how the ligands affect the electronic transitions and absorption spectra of these complexes upon exposure to light.

answered 3 days ago in PhotoChemistry

1 answer 25 views

How does the concentration and pore size of activated carbon affect its efficiency in adsorbing pollutants from contaminated water?

asked 5 days ago in Surface Chemistry

1 answer 18 views

What is the effect of molecular weight on the melting point of polyethylene?

asked 5 days ago in Physical Chemistry

1 answer 31 views

What is the effect of changing the concentration of a photosensitizer on the rate of a photochemical reaction?

asked 5 days ago in PhotoChemistry

1 answer 21 views

What is the coordination geometry of the complex [Cu(NH3)4]SO4? Use UV-Vis spectroscopy to determine the nature of the ligand-metal coordination bond and its bonding energy.

asked 6 days ago in Coordination Chemistry

1 answer 37 views

What is the boiling point of magnesium oxide (MgO) at a pressure of 1 atm? Show the calculation steps and provide the answer in degrees Celsius.

asked Feb 17 in Inorganic Chemistry

1 answer 34 views

What is the surface tension of a liquid and how is it measured? Provide an experimental method to determine the surface tension of a given liquid and discuss the factors that affect surface tension.

asked Feb 17 in Surface Chemistry

1 answer 29 views

What are the differences in the photochemical properties of silver halide films and digital sensors, and how do these properties affect the quality and characteristics of the final photographic image produced?

asked Feb 14 in PhotoChemistry

1 answer 37 views

What is the effect of increasing the temperature on the rate of the reaction between hydrochloric acid and magnesium ribbon, and how can this effect be explained using the Collision Theory?

asked Feb 13 in Chemical kinetics

1 answer 30 views

How does increasing the temperature affect the reaction rate of the reaction between hydrogen peroxide and potassium iodide?

answered Feb 13 in Chemical kinetics

1 answer 31 views

Using coordination chemistry, explain the color changes observed by adding aqueous ammonia to copper(II) sulfate solution.

asked Feb 13 in Coordination Chemistry

1 answer 6 views

What is the coulometric titration method for quantifying the amount of copper in a brass sample? Provide a detailed procedure for carrying out the coulometric titration method to determine the amount of copper in the sample.

answered Feb 12 in Analytical Chemistry

1 answer 36 views

How does the coordination chemistry of metalloenzymes contribute to their catalytic activity and specificity? Provide a detailed explanation with examples of at least two metalloenzymes.

asked Feb 12 in Coordination Chemistry

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