Recent activity by PatsyRubin2

1 answer 25 views

How does the reaction mechanism affect the reaction rate of the decomposition of hydrogen peroxide catalyzed by potassium iodide?

answered Feb 22 in Chemical kinetics

1 answer 27 views

What is the mechanism of the reaction between benzene and bromine in the presence of an iron catalyst? Describe the intermediates formed during the process and explain the role of the catalyst in the reaction.

asked Feb 22 in Organic Chemistry

1 answer 35 views

How does the rate of reaction affect the selectivity of a chemical reaction and how can we manipulate the reaction conditions to favor a specific product? Provide a specific example to illustrate your answer.

answered Feb 22 in Chemical kinetics

1 answer 29 views

How does the presence of a functional group on the fluorescent dye molecule affect its photochemical properties, such as excitation and emission wavelengths?

asked Feb 22 in PhotoChemistry

1 answer 30 views

What are the factors that affect the photochemical properties of dyes and pigments, and how can these factors be optimized for the efficient dyeing and coloring of various materials?

answered Feb 22 in PhotoChemistry

1 answer 28 views

How does the length and saturation of fatty acid chains in a lipid bilayer affect membrane structure and properties as observed through molecular dynamics simulations?

answered Feb 20 in Computational Chemistry

1 answer 32 views

How does the incorporation of different dopants affect the electrical conductivity and mechanical flexibility of conductive polymers, and what is the optimal dopant concentration needed to achieve the desired properties for use in flexible electronics?

answered Feb 20 in Materials Chemistry

1 answer 32 views

How does the equilibrium position of a chemical reaction change with an increase or decrease in pressure? Provide an example of a chemical reaction and explain how the change in pressure affects its equilibrium position.

answered Feb 20 in Chemical equilibrium

1 answer 30 views

What are the coordination geometries of the metal centers in heme proteins, and how do they help in the enzymatic activity of these proteins? Provide examples of heme proteins and their functions where these coordination geometries play a critical role.

answered Feb 19 in Coordination Chemistry

1 answer 29 views

What is the bond length between the oxygen atom (O) and the hydrogen atom (H) in a water molecule (H2O) assuming that the bond between H and O is covalent? Provide your answer in picometers (pm) and express it to three significant figures.

asked Feb 18 in Chemical bonding

1 answer 26 views

How does the addition of electrolytes affect the stability of a colloidal solution, and at what concentration does coagulation occur?

answered Feb 17 in Surface Chemistry

1 answer 32 views

How does the addition of detergents affect the surface tension of water and why?

answered Feb 17 in Surface Chemistry

1 answer 30 views

What factors affect the adhesion and cohesion of coatings on various surfaces? Develop an experimental procedure to measure and compare these properties for different coatings and substrates.

asked Feb 14 in Surface Chemistry

1 answer 35 views

What is the role of pyridoxal-5'-phosphate (PLP) in amino acid metabolism and biosynthesis, and how does it act as a coenzyme in these processes?

answered Feb 14 in BioChemistry

1 answer 31 views

What is the difference in coordination behavior between metalloporphyrins and metallophthalocyanines in complex formation with transition metals?

asked Feb 13 in Coordination Chemistry

1 answer 64 views

What is the number of electrons transferred when zinc metal reacts with copper(II) ions in a galvanic cell? The balanced reaction is:Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)

answered Feb 13 in ElectroChemistry

1 answer 131 views

How can we use computer-aided drug design techniques to identify new small molecule inhibitors for the treatment of autoimmune diseases such as rheumatoid arthritis and multiple sclerosis?

asked Feb 12 in Medicinal Chemistry

1 answer 69 views

How can the surface properties of a polymer be modified to increase its adhesion to a specific substrate?

asked Feb 11 in Surface Chemistry

1 answer 58 views

How can the stability of colloidal suspensions be altered by changing the particle size or surface charge, and what are the practical applications of these modifications?

asked Feb 10 in Physical Chemistry

1 answer 37 views

How can the efficiency of the process for the production of biofuels be improved through the optimization of reaction conditions and selection of suitable catalysts?

asked Feb 7 in Chemical engineering

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