Recent activity by AidanSewell2

1 answer 19 views

What is the resonance hybrid structure of benzene? Show how the pi electrons are distributed throughout the molecule and explain why it is unusually stable compared to other unsaturated compounds.

asked 1 day ago in Organic Chemistry

1 answer 20 views

How does the photochemistry of lanthanide complexes differ from that of other transition metal complexes and what factors contribute to these differences?

answered 3 days ago in PhotoChemistry

1 answer 19 views

What is the optimal pH for maximizing the adsorption of a specific protein onto a solid surface?

answered 3 days ago in Surface Chemistry

1 answer 19 views

What is the mechanism of electrophilic addition of hydrogen bromide to propene, and how does this reaction differ from the addition of hydrogen chloride to propene?

answered 5 days ago in Organic Chemistry

1 answer 25 views

What are the photochemical properties of silver halide crystals used in black and white photography, and how do they produce an image?

asked Feb 14 in PhotoChemistry

1 answer 28 views

What is the role of metal ions in the catalytic activity of metalloenzymes and metalloproteins? Provide specific examples of metalloenzymes and metalloproteins and explain how metal ions participate in their catalytic activity.

answered Feb 13 in Coordination Chemistry

1 answer 46 views

How can we use gel permeation chromatography (GPC) to determine the molecular weight distribution of a polymer sample?

answered Feb 13 in Polymer Chemistry

1 answer 31 views

What is the mechanism of free radical polymerization of vinyl chloride and how does the reaction pathway lead to the formation of PVC with high molecular weight?

answered Feb 13 in Organic Chemistry

1 answer 9 views

How can we design new drug molecules that selectively target the inflammatory pathways in the body without causing unwanted side effects?

asked Feb 12 in Medicinal Chemistry

1 answer 36 views

How can we design a system for the production of lubricants that meets industry demand for high quality lubricants while still being economically feasible and environmentally sustainable?

asked Feb 12 in Chemical engineering

1 answer 44 views

Design a novel polymer-based drug delivery system for targeted cancer therapy that ensures controlled and sustained drug release with minimal adverse effects on healthy cells. Consider the physicochemical properties of the drug and the polymer, as well as their interactions and biocompatibility. Provide a detailed explanation of the mechanism of drug release and the potential benefits of the proposed system.

asked Feb 4 in Polymer Chemistry

1 answer 52 views

Calculate the standard free energy change for the following redox reaction under standard conditions:2 Fe3+ (aq) + H2 (g) → 2 Fe2+ (aq) + 2 H+ (aq)Given: Standard reduction potential of Fe3+ / Fe2+ = -0.771 V Standard reduction potential of H+ / H2 = 0.00 V

answered Feb 3 in Chemical thermodynamics

1 answer 56 views

How do chaperone proteins aid in the folding process of newly synthesized polypeptides during protein synthesis?

answered Feb 3 in BioChemistry

1 answer 89 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.

answered Jan 31 in Computational Chemistry

1 answer 82 views

What is the enzyme catalytic mechanism of amylase, and how does it lead to the breakdown of starch in the human digestive system?

answered Jan 31 in BioChemistry

1 answer 51 views

How can we analyze the composition of a mixed sample of amino acids using liquid chromatography?

asked Jan 29 in Analytical Chemistry

1 answer 48 views

Calculate the enthalpy change of ionization for hydrogen gas when one mole of H2 gas is ionized to form two moles of H+ ions in the gas phase, given that the enthalpy change of ionization for H(g) is +1312 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 69 views

Calculate the enthalpy change for the dissolution of 10.0 grams of sodium chloride (NaCl) in 100 mL of water at 25°C. The density of water is 1.00 g/mL and the heat capacity of the solution is 4.18 J/g°C. The molar mass of NaCl is 58.44 g/mol and its enthalpy of dissolution is -3.9 kJ/mol.

asked Jan 23 in ThermoChemistry

1 answer 54 views

A solution contains 0.1 M of an unknown ion X. The electrode potential of this ion X is measured to be +0.60 V versus the standard hydrogen electrode (SHE). Calculate the concentration of ion X in the solution using electrochemical methods.

asked Jan 22 in ElectroChemistry

1 answer 39 views

When is the door-in-the-face DITF technique most effective?

answered Jan 20 in Psychology

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