Recent activity by EllisDonahue

1 answer 19 views

How does the size and shape of nanoparticles affect their photochemical properties? Provide experimental evidence to support your answer.

asked Feb 24 in PhotoChemistry

1 answer 30 views

How does the reaction rate affect the safety of chemical reactions? Investigate the relationship between reaction rate and potential hazards in chemical reactions, and propose measures to prevent or minimize the risks associated with fast reactions.

answered Feb 24 in Chemical kinetics

1 answer 32 views

What is the relationship between R/S configurations and the direction of rotation of plane-polarized light for a given chiral compound? Provide an example with a clear explanation.

asked Feb 22 in Organic Chemistry

1 answer 28 views

How does the presence of quantum coherence and entanglement affect the optical and electronic properties of a specific molecular arrangement in nanoscale systems, and how can this understanding be utilized in designing more efficient quantum devices?

answered Feb 22 in Quantum Chemistry

1 answer 41 views

What is the net yield of ATP molecules produced by one turn of the citric acid cycle, and how do the electron transport chain and oxidative phosphorylation contribute to the overall production of ATP in cellular respiration?

asked Feb 21 in BioChemistry

1 answer 33 views

What type of reactor design would be best suited for the production of hydrogen gas via steam reforming of natural gas, and what are the specific design parameters that need to be optimized to achieve maximum yield and efficiency of the reaction?

asked Feb 21 in Chemical engineering

1 answer 31 views

What is the mechanism for the nucleophilic substitution reaction between 1-bromobutane and potassium cyanide in an aprotic solvent, and how does the reaction rate change if the solvent is changed to a protic solvent?

asked Feb 20 in Organic Chemistry

1 answer 42 views

Using the Arrhenius equation, calculate the activation energy for a first-order reaction that has a rate constant of 0.005 s^-1 at 25°C and 0.01 s^-1 at 35°C.

answered Feb 17 in Physical Chemistry

1 answer 24 views

How does the addition of nanoparticles affect the rheological properties of polymer melts?

answered Feb 17 in Polymer Chemistry

1 answer 29 views

How does the addition of nanoparticles affect the mechanical properties of polymer nanocomposites, and how does the size, shape, and concentration of the nanoparticles influence these properties?

answered Feb 17 in Polymer Chemistry

1 answer 40 views

What is the effect of the concentration of a detergent solution on its ability to lower the surface tension of water?

answered Feb 17 in Surface Chemistry

1 answer 34 views

Using the concept of acidity and basicity, compare and contrast the properties of a primary alcohol and a phenol in terms of their reactivity towards nucleophilic substitution and oxidation reactions.

asked Feb 14 in Organic Chemistry

1 answer 33 views

What are the photochemical properties that make certain materials photochromic and how can these properties be utilized in practical applications?

answered Feb 14 in PhotoChemistry

1 answer 36 views

What is the effect of ligand substitution on the electronic and magnetic properties of transition metal complexes?

asked Feb 13 in Quantum Chemistry

1 answer 55 views

What type of chemical bond is formed between two atoms of sodium and one atom of chlorine in a sodium chloride molecule, and how is it determined?

asked Feb 13 in Chemical bonding

1 answer 50 views

What is the net ATP gain in the process of glycolysis and gluconeogenesis? Provide a detailed explanation of how ATP is produced and what factors affect the net ATP gain in these processes.

answered Feb 13 in BioChemistry

1 answer 66 views

How does the electron transport behave in nanoscale systems with different molecule configurations?

answered Feb 13 in Quantum Chemistry

1 answer 76 views

What is the molecular structure and properties of collagen, the most abundant protein in the human body? How does its structure relate to its function in providing support and flexibility to tissues such as skin, bones, and tendons?

answered Feb 12 in Organic Chemistry

1 answer 39 views

How can chemistry teachers provide better support for students with learning disabilities in the classroom to ensure they have equal access to education and achieve academic success?

asked Feb 5 in Chemical education

1 answer 40 views

How can molecular docking studies help in understanding the mechanisms of protein-protein interactions and in identifying potential inhibitors for these interactions?

asked Feb 5 in Computational Chemistry

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