Recent activity by RogerDenning

1 answer 31 views

How do the photochemical properties of metal complexes affect their ability to act as catalysts in organic reactions?

asked Feb 22 in PhotoChemistry

1 answer 34 views

What is the oxidation state of iron in FeSO4?

1 answer 32 views

What are the optimum reaction conditions for the selective oxidation of hydrocarbons such as ethylene on metal surfaces, and how do these conditions impact the efficiency and selectivity of the reaction?

answered Feb 22 in Surface Chemistry

1 answer 29 views

What is the optimal stoichiometric ratio of adipic acid and hexamethylenediamine for the synthesis of nylon-6,6 and how does varying this ratio affect the yield and properties of the final product?

answered Feb 21 in Chemical synthesis

1 answer 30 views

Identify the type of inorganic compound formed between Sodium and Chlorine. Is it ionic, covalent or metallic? Justify your answer with appropriate reasoning.

asked Feb 20 in Inorganic Chemistry

1 answer 29 views

How does the coordination chemistry of metal ions in metalloproteins and metalloenzymes affect their catalytic activity?

asked Feb 19 in Coordination Chemistry

1 answer 29 views

What is the bond order of the oxygen molecule (O2) using the molecular orbital theory, and how does it relate to the stability of the molecule?

answered Feb 18 in Physical Chemistry

1 answer 37 views

How does the binding of a metal ion to the active site of an enzyme affect its catalytic activity? Provide an example of a metalloenzyme and discuss the role of the metal ion in its enzymatic activity.

asked Feb 17 in Coordination Chemistry

1 answer 40 views

How does the addition of specific metal components affect the mechanical properties (such as strength, ductility, and corrosion resistance) of aerospace alloys used in aggressive environments?

answered Feb 17 in Materials Chemistry

1 answer 36 views

How do different factors such as dosage, route of administration, and metabolism affect the pharmacokinetics of a particular drug in the human body?

asked Feb 14 in Medicinal Chemistry

1 answer 55 views

How does the molecular structure of liquid crystals affect their optical properties?

asked Feb 13 in Physical Chemistry

1 answer 76 views

How can the production process of urea fertilizer be optimized to reduce the environmental impact while maintaining the product's efficacy?

asked Feb 10 in Chemical engineering

1 answer 47 views

How can the mechanical properties of polymer-based biomaterials be optimized for use in tissue engineering applications?

answered Feb 10 in Polymer Chemistry

1 answer 29 views

How can computational chemistry and molecular docking studies be applied to identify potential drug candidates for the treatment of cancer?

answered Feb 6 in Computational Chemistry

1 answer 39 views

How can molecular modification be used to improve the efficacy and/or reduce the side effects of current treatments for conditions such as inflammatory bowel disease and acid reflux?

answered Feb 5 in Medicinal Chemistry

1 answer 58 views

Calculate the standard electrode potential for the redox reaction that occurs when a silver electrode is placed in a solution containing 0.1 M Ag+ ions and a platinum electrode is placed in a solution containing 0.1 M H+ ions at standard conditions. The reduction half-reaction for Ag+ is Ag+ (aq) + e- → Ag(s), and the reduction half-reaction for H+ is H+ (aq) + e- → 1/2 H2 (g).

asked Feb 3 in Chemical thermodynamics

1 answer 81 views

How does changing the molecular geometry affect the electronic excited states and optical properties of a molecule?

asked Feb 3 in Quantum Chemistry

1 answer 99 views

What is the effect on the equilibrium position of a reaction if we add more reactant or remove product from the reaction mixture at equilibrium, specifically for the reaction: N2(g) + 3H2(g) <=> 2NH3(g)?

asked Jan 30 in Chemical equilibrium

1 answer 71 views

How can voltammetry be used to accurately quantify the concentration of a specific substance in a sample, and what are the key factors that affect the accuracy and precision of this measurement technique?

answered Jan 29 in Analytical Chemistry

1 answer 74 views

How can the presence of a specific compound, such as caffeine, be identified in a sample using Raman spectroscopy? What are the characteristic Raman peaks of caffeine and how can they be used to differentiate caffeine from other compounds present in the sample?

answered Jan 29 in Analytical Chemistry

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