Recent activity by BarneyUyv133

1 answer 34 views

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

answered Feb 24 in Physical Chemistry

1 answer 30 views

How does the morphology of the conductive polymer affect its electrical conductivity and mechanical properties in flexible electronics?

asked Feb 21 in Materials Chemistry

1 answer 29 views

What is the molecular geometry and bond angle of the H2O molecule using quantum chemistry principles?

asked Feb 21 in Quantum Chemistry

1 answer 45 views

How does the mechanism of chain scission affect the degradation and stability of polymer materials?

asked Feb 20 in Polymer Chemistry

1 answer 33 views

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

1 answer 30 views

What is the impact of pH on the rate of photochemical reactions involving hydrogen peroxide and halogenated acetates, and what mechanisms are responsible for the observed rate changes in different pH conditions?

asked Feb 20 in PhotoChemistry

1 answer 37 views

How does the concentration of reactants affect the rate of an inorganic reaction? Specifically, investigate the relationship between the concentration of hydrochloric acid and the rate of reaction with magnesium metal.

asked Feb 19 in Inorganic Chemistry

1 answer 39 views

What is the effect of the number of hydroxyl groups attached to a phenol molecule on its acidity? Compare the acidity of a monohydroxy phenol to a dihydroxy phenol using relevant chemical equations and explain the observed trend.

asked Feb 17 in Organic Chemistry

1 answer 53 views

How does the hormone insulin regulate glucose levels in the human body at a molecular level?

asked Feb 13 in BioChemistry

1 answer 118 views

What factors affect the rate of ligand substitution reactions in coordination chemistry? How do these factors influence the reaction mechanism and the overall outcome of the reaction? Provide a detailed explanation with specific examples.

asked Feb 13 in Coordination Chemistry

1 answer 75 views

How does the computational modeling of enzyme catalysis provide information on the reaction mechanism and active site of the enzyme?

answered Feb 12 in Computational Chemistry

1 answer 73 views

How can the selectivity of hydrocarbon oxidation on metal surfaces be improved for the production of specific oxygenated compounds?

asked Feb 10 in Surface Chemistry

1 answer 37 views

How can the preparation of 2,4-dinitrophenol from phenol and nitric acid be optimized to increase yield and minimize waste products?

asked Feb 10 in Chemical synthesis

1 answer 42 views

How can inadequate training for chemistry teachers affect the quality of education in student learning and performance in chemistry?

answered Feb 6 in Chemical education

1 answer 45 views

How can computational chemistry be used to optimize the synthesis of metal-organic frameworks for improved gas storage and separation?

answered Feb 5 in Computational Chemistry

1 answer 67 views

Calculate the pH of a 0.2 M solution of acetic acid (CH3COOH) if the acid dissociation constant (Ka) of acetic acid is 1.8 × 10^-5.

answered Feb 3 in Chemical reactions

1 answer 81 views

What is the mechanism of action of carbonic anhydrase enzyme in the human body, and how does its active site structure affect its function in catalyzing the hydration of carbon dioxide?

answered Jan 31 in Coordination Chemistry

1 answer 112 views

What are the differences between aldehydes and ketones in terms of their physical and chemical properties? Provide examples of each, and describe their uses in industry and everyday life.

asked Jan 31 in Organic Chemistry

1 answer 114 views

What is the effect of adding a methyl group to a benzene ring on its electronic transport properties, as predicted by density functional theory calculations, and how does this relate to its potential use in organic electronic devices?

answered Jan 30 in Computational Chemistry

1 answer 117 views

What is the amount of copper (Cu) in a sample of brass weighing 10.5 grams, if the sample was dissolved in sulfuric acid and the resulting Cu2+ ions were fully reduced using coulometry, requiring a total charge of 1150 C? (Assume 100% current efficiency and Faraday's constant as 96500 C/mol.)

asked Jan 30 in Analytical Chemistry

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