Recent activity by YvonneRausch

1 answer 25 views

What is the relationship between the photochemical properties of lanthanide complexes and their electronic configurations?

answered 3 days ago in PhotoChemistry

1 answer 25 views

What is the rate constant for the one-electron reduction of oxygen in aqueous solution at pH=7, and how does this rate constant change with pH?

asked 5 days ago in Quantum Chemistry

1 answer 27 views

How does the incorporation of specific metal ions into a metal-organic framework (MOF) affect the predicted electronic and magnetic properties of the MOF?

asked Feb 20 in Quantum Chemistry

1 answer 27 views

What temperature, pressure, and chemical conditions are required for the Haber process to produce ammonia at an optimum rate for fertilizer production, given a certain amount of reactants?

asked Feb 20 in Chemical engineering

1 answer 24 views

What is the mechanism of the Beckmann rearrangement reaction and how does it convert a ketoxime to an amide? Illustrate with the help of a suitable example.

answered Feb 17 in Organic Chemistry

1 answer 30 views

How do persistent organic pollutants (POPs) impact the food chain and what are the mechanisms of their bioaccumulation in the environment?

asked Feb 14 in Environmental Chemistry

1 answer 30 views

What is the rate constant for the first order decomposition of hydrogen peroxide if the initial concentration of hydrogen peroxide is 0.1 M and 80% of the hydrogen peroxide decomposes in 5 minutes?

answered Feb 13 in Chemical kinetics

1 answer 40 views

What is the effect of doping metal oxides with transition metals on the electronic properties of the material using density functional theory calculations?

answered Feb 12 in Computational Chemistry

1 answer 35 views

What is the effect of cross-linking density on the mechanical properties of PEG-based hydrogels used as scaffolds for tissue engineering applications?

asked Feb 12 in Materials Chemistry

1 answer 28 views

How can the insufficient emphasis on practical applications of chemistry be addressed in the classroom to promote a better understanding and appreciation of the subject among students?

answered Feb 7 in Chemical education

1 answer 42 views

Calculate the standard electrode potential of an electrode that is in contact with a solution containing 0.1 M copper (II) ions and its concentration of Cu2+ ions is in equilibrium with a hydrogen electrode at 1 atm hydrogen pressure and pH = 0.

answered Feb 3 in ElectroChemistry

1 answer 68 views

How do changes in pH affect the surface properties of biomembranes and how can this knowledge be applied in drug delivery systems?

asked Jan 31 in Surface Chemistry

1 answer 62 views

What are the mechanisms by which bacteria develop resistance to antibiotics, and how can medicinal chemists modify existing antibiotics or develop new ones to overcome these mechanisms and effectively combat drug-resistant bacteria?

asked Jan 31 in Medicinal Chemistry

1 answer 90 views

How does the change in molecular geometry affect the electronic properties and the charge distribution of a given molecule? Use ab initio calculations to calculate the molecular properties of a selected molecule at different geometries and analyze the resulting data.

asked Jan 31 in Computational Chemistry

1 answer 78 views

Identify the type of isomerism exhibited by the organic compounds 2-chlorobutane and 2-methylpropene and explain the difference between the two.

answered Jan 30 in Organic Chemistry

1 answer 87 views

Using liquid chromatography techniques, determine the concentration of caffeine in a given sample of coffee and compare it with the recommended safe limit for human consumption.

answered Jan 30 in Analytical Chemistry

1 answer 62 views

What is Piaget's sensorimotor stage?

answered Jan 20 in Psychology

0 answers 27 views

Who proposed the principle of common fate?

asked Jan 20 in Psychology

1 answer 37 views

What is the assumption of the evolutionary theory of conflict?

asked Jan 17 in Psychology

1 answer 62 views

According to Freud, why do people develop psychological disorders?

answered Jan 17 in Psychology

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