Recent activity by Vernell30C7

1 answer 22 views

What is the mechanism behind the reaction of propyne with hydrogen chloride, and what is the product formed?

asked 5 days ago in Organic Chemistry

1 answer 26 views

What is the effect of ligand modification on the photochemical properties of lanthanide complexes? How does the presence of heavy atoms in the ligand affect the absorption and emission spectra of these complexes?

asked 5 days ago in PhotoChemistry

1 answer 27 views

What is the oxidation state of sulfur in SO2?

asked 5 days ago in Chemical reactions

1 answer 16 views

What is the most effective catalyst for the oxidation reaction of carbon monoxide (CO) to carbon dioxide (CO2) in a gas mixture containing both CO and CO2?

asked 6 days ago in Physical Chemistry

1 answer 22 views

How does the regulation of the glycolytic pathway differ between aerobic and anaerobic conditions in human muscle cells?

asked Feb 20 in BioChemistry

1 answer 18 views

What is the effect of different photosensitizers (e.g. porphyrins, phthalocyanines) on the rate of the photochemical reaction of a specific compound (e.g. benzophenone) and what factors influence this effect?

asked Feb 19 in PhotoChemistry

1 answer 33 views

How does the chemical composition of natural products affect their pharmacological activity and potential for medicinal use?

answered Feb 18 in Medicinal Chemistry

1 answer 19 views

What is the bond dissociation energy of the H-O bond in water (H2O)? Show your calculation steps and include any necessary assumptions or data.

asked Feb 18 in Chemical bonding

1 answer 20 views

How does the binding of an allosteric regulator to an enzyme affect the metabolic pathway? Provide an example with a regulatory enzyme and the specific metabolites involved.

asked Feb 17 in BioChemistry

1 answer 29 views

How does the addition of different types and concentrations of nanoparticles affect the thermal and mechanical properties of polymer nanocomposites?

answered Feb 17 in Polymer Chemistry

1 answer 37 views

How can we relate the concept of stoichiometry to real-world scenarios, such as cooking or manufacturing industries? Provide at least three examples and explain how stoichiometry is used in these scenarios.

asked Feb 14 in Chemical education

1 answer 30 views

What are the differences between ionic and covalent bonding, and how do these differences affect the physical properties of substances? Provide specific examples to support your explanation.

answered Feb 13 in Chemical education

1 answer 34 views

What is the balanced redox reaction of Iron (II) Sulphate and Potassium Permanganate in acidic medium?

asked Feb 13 in Chemical reactions

1 answer 38 views

How do fluctuations in temperature affect the release of volatile organic compounds (VOCs) from common household products and what is the impact of such emissions on air quality?

asked Feb 13 in Environmental Chemistry

1 answer 11 views

How can the synthesis of magnetic nanoparticles be optimized for use in water purification technologies, with a focus on increased efficiency and selectivity in the removal of heavy metal ions? Additionally, how can the characterization of these materials be improved to better understand their behavior in complex water matrices and optimize their performance in real-world applications?

asked Feb 11 in Materials Chemistry

1 answer 48 views

How can the recovery of valuable metals such as gold, silver, and copper be optimized from electronic waste through a chemical engineering process that is environmentally sustainable and economically feasible?

asked Feb 10 in Chemical engineering

1 answer 33 views

How can the mechanical and thermal properties of polymer-based materials for 3D printing be optimized for specific applications?

asked Feb 10 in Polymer Chemistry

1 answer 33 views

How can the chemical structure of existing cardiovascular drugs be modified to improve their efficacy and reduce their side effects?

asked Feb 6 in Medicinal Chemistry

1 answer 41 views

Calculate the standard free energy change (ΔG°) for the following redox reaction at 298 K, given that E°cell = 0.91 V:Zn(s) + 2 Ag+(aq) → Zn2+(aq) + 2 Ag(s)

answered Feb 3 in Chemical thermodynamics

1 answer 42 views

Calculate the standard enthalpy change (∆H°) for the reaction of the coordination compound [Co(NH3)6]Cl3 (aq) with NaOH (aq) to produce [Co(NH3)6](OH)3 (aq) and NaCl (aq). Given, the standard enthalpy of formation (∆H°f) for [Co(NH3)6]Cl3, [Co(NH3)6](OH)3 and NaCl are -784.8 kJ/mol, -1273.6 kJ/mol and -411.2 kJ/mol, respectively.

asked Feb 3 in Chemical thermodynamics

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