Recent activity by Brigette3451

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How does the size and shape of a nanomaterial affect its electronic and optical properties, and how can quantum chemistry calculations be used to predict and understand these properties?

answered 1 day ago in Quantum Chemistry

1 answer 17 views

How does the route of administration of a drug affect its pharmacokinetics and ultimately its effectiveness in treating a disease?

answered 1 day ago in Medicinal Chemistry

1 answer 18 views

What is the relationship between a drug's molecular structure and its pharmacodynamic properties? Provide examples of drugs that illustrate this relationship.

answered 1 day ago in Medicinal Chemistry

1 answer 17 views

How does increasing the pressure affect the position of equilibrium in the reaction between nitrogen and hydrogen gases to form ammonia gas? Provide a detailed explanation with equations and calculations to support your answer.

asked 3 days ago in Chemical equilibrium

1 answer 33 views

What is the mechanism of passivation of stainless steel and how does it protect against corrosion?

answered 3 days ago in Surface Chemistry

1 answer 22 views

What is the mechanism of action behind the photochemical properties of silver halides in photographic materials, and how does this lead to the formation of a visible image?

answered 4 days ago in PhotoChemistry

1 answer 23 views

How has the historical development of atomic theory influenced our current understanding of chemical reactions?

asked 5 days ago in Chemical education

1 answer 22 views

What is the effect of temperature on the adsorption of gases (such as CO2 or NO2) on solid surfaces (such as activated carbon or zeolites)? How does the strength of the adsorption change with increasing or decreasing temperature?

answered 5 days ago in Surface Chemistry

1 answer 22 views

What is the effect of temperature on the critical current density of a given superconducting material?

answered 6 days ago in Materials Chemistry

1 answer 21 views

What is the bond order of nitrogen molecule (N2) using molecular orbital theory?

asked Feb 18 in Chemical bonding

1 answer 31 views

How does the activation energy affect the rate of a chemical reaction, and can quantum chemistry be used to accurately predict the reaction mechanism and rate constant of a given reaction?

asked Feb 17 in Quantum Chemistry

1 answer 30 views

What factors affect the adhesion of coatings to surfaces and how can they be optimized for maximum adhesion strength and durability?

answered Feb 14 in Surface Chemistry

1 answer 32 views

How can the yield of polystyrene synthesis from styrene monomer be optimized by adjusting the reaction conditions such as temperature, pressure, and catalyst concentration?

asked Feb 14 in Chemical synthesis

1 answer 39 views

What is the effect of increasing the polarity of the solvent on the rate of the reaction between hydrochloric acid and magnesium?

asked Feb 13 in Chemical kinetics

1 answer 36 views

How can we design a polymer-based drug delivery system that ensures controlled release of an anticancer drug to the targeted cancer cells while avoiding toxicity to healthy cells?

asked Feb 12 in Polymer Chemistry

1 answer 38 views

How can the surface properties of biomaterials be modified using plasma treatment, and what effects does this modification have on cell behavior and adhesion?

answered Feb 11 in Surface Chemistry

1 answer 30 views

How can the formulation of a paint or coating system be optimized for enhanced performance and minimized environmental impact in the production process?

asked Feb 7 in Chemical engineering

1 answer 40 views

How can chemistry teachers integrate technology into their teaching methods to effectively convey complex chemical concepts and principles to their students?

answered Feb 5 in Chemical education

1 answer 28 views

How can students improve their preparation for chemistry-related careers, and what resources can they use to help them acquire the necessary skills and knowledge?

asked Feb 5 in Chemical education

1 answer 41 views

Calculate the pH of a buffer solution consisting of 0.1 M acetic acid and 0.1 M sodium acetate, given that the dissociation constant (Ka) of acetic acid is 1.8x10^-5.

answered Feb 3 in Chemical reactions

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