Recent activity by LarrySummerf

1 answer 28 views

What is the relationship between the rate of a chemical reaction and the equilibrium constant? Provide experimental evidence to support your answer.

asked 3 days ago in Chemical kinetics

1 answer 19 views

How does the polarity of the solvent affect the rate of photochemical reactions in different solvents? Provide experimental evidence to support your answer.

asked 3 days ago in PhotoChemistry

1 answer 25 views

How do the photochemical properties of dyes and pigments affect their color and stability when exposed to sunlight?

answered 3 days ago in PhotoChemistry

1 answer 22 views

What is the molecular geometry and polarity of H2O?

asked 4 days ago in Inorganic Chemistry

1 answer 23 views

What is the molecular geometry and bond angles of carbon dioxide molecule?

asked 4 days ago in Quantum Chemistry

1 answer 6 views

How does the metabolic pathway differ between healthy and diseased cells, and how can metabolomics and systems biology be used to identify biomarkers for disease diagnosis and treatment?

asked 4 days ago in BioChemistry

1 answer 31 views

What is the optimum temperature and pressure needed to prepare 2,4-dichlorobenzoic acid from benzoic acid and chlorine gas using Friedel-Crafts acylation reaction? Additionally, what is the yield of the reaction under these conditions?

asked 5 days ago in Chemical synthesis

1 answer 5 views

What is the effect of different cations and anions on the viscosity of ionic liquids at varying temperatures?

answered 5 days ago in Physical Chemistry

1 answer 19 views

How does the coordination chemistry of zinc ions in the active site of the enzyme carbonic anhydrase contribute to its catalytic activity?

asked 6 days ago in Coordination Chemistry

1 answer 38 views

How does the activation energy of the electron transfer process affect the rate of a redox reaction, and how can this be experimentally determined using quantum chemical calculations?

asked Feb 17 in Quantum Chemistry

1 answer 20 views

What is the mechanism of the acid-catalyzed cleavage of an ether? Provide a stepwise mechanism for the reaction between ethyl ether and hydrochloric acid.

asked Feb 17 in Organic Chemistry

1 answer 20 views

How does temperature affect the degradation of polyethylene and polypropylene? What are the mechanisms of degradation and how can they be mitigated to extend the stability of these polymers?

answered Feb 17 in Polymer Chemistry

1 answer 19 views

What is the difference between primary, secondary, and tertiary amines in terms of their synthesis and properties? Provide examples of each and explain their reactivity with electrophiles.

asked Feb 14 in Organic Chemistry

1 answer 30 views

How do persistent organic pollutants affect the quality of soil in agricultural areas?

asked Feb 14 in Environmental Chemistry

1 answer 37 views

How can we optimize the production of detergents through the selection of appropriate raw materials and process variables to achieve desired product characteristics, such as surfactant activity and pH levels?

answered Feb 14 in Chemical engineering

1 answer 9 views

How do metal ions coordinate with amino acid residues in metalloenzymes and metalloproteins, and how does the coordination affect the function of the enzyme/protein?

asked Feb 13 in Coordination Chemistry

1 answer 7 views

What are the key steps and parameters involved in designing a process for the production of high-density polyethylene (HDPE) using the polymerization technique, and how can these be optimized to achieve the desired properties of the final product?

answered Feb 12 in Chemical engineering

1 answer 10 views

How can we design a polymer-based smart material that can change its shape in response to a specific stimulus, such as temperature or pH?

answered Feb 12 in Polymer Chemistry

1 answer 30 views

How can the production of surfactants be optimized to increase efficiency and reduce costs while also minimizing environmental impact through the use of more sustainable materials and processes?

asked Feb 10 in Chemical engineering

1 answer 72 views

How can we analyze the composition of a mixture containing multiple compounds using gas chromatography? What are the steps involved in sample preparation, instrument set up, and data analysis to accurately identify and quantify each compound in the mixture?

asked Jan 29 in Analytical Chemistry

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