Recent activity by ChristiKobay

1 answer 32 views

What is the photochemical behavior of [Fe(CN)6]4- complex in aqueous solution under visible light irradiation and what is the role of ligand substitution in enhancing photocatalytic activity?

asked Feb 22 in PhotoChemistry

1 answer 25 views

What is the optimal reaction temperature and reaction time required for the synthesis of polyvinyl chloride from vinyl chloride monomer with the highest possible yield and purity?

answered Feb 21 in Chemical synthesis

1 answer 29 views

What is the most efficient method for synthesizing and characterizing new perovskite materials for use in high-performance solar cells?

answered Feb 21 in Materials Chemistry

1 answer 34 views

What is the coordination environment and oxidation state of the metal ion in the active site of the metalloprotein myoglobin? How does this coordination environment allow myoglobin to efficiently bind and transport oxygen in the body?

asked Feb 20 in Coordination Chemistry

1 answer 23 views

How does a change in pH affect the formation of the complex ion Cu(NH3)4^2+ from Cu2+ and NH3? Provide a detailed explanation with chemical equations and calculations.

answered Feb 20 in Chemical equilibrium

1 answer 37 views

What is the electronegativity difference between a carbon atom (2.55) and an oxygen atom (3.44) in the compound CO2?

answered Feb 20 in Chemical bonding

1 answer 24 views

What is the coordination number and oxidation state of the transition metal ion in the complex [Fe(H₂O)₆]²⁺?

asked Feb 19 in Coordination Chemistry

1 answer 33 views

What is the mechanism of the addition reaction between HBr and propene, and why is it regioselective?

asked Feb 17 in Organic Chemistry

1 answer 31 views

How does the temperature affect the adsorption of nitrogen gas on activated carbon and silica gel surfaces?

asked Feb 17 in Surface Chemistry

1 answer 31 views

What is the role of metal ions in the function and mechanism of metalloenzymes and metalloproteins? Provide specific examples of metalloenzymes and metalloproteins and explain the significance of the metal ion in their activity.

asked Feb 13 in Coordination Chemistry

1 answer 55 views

What is the purity of a sample of aspirin if its observed melting point range is 136.5-138.5°C, given the literature melting point of pure aspirin is 138-140°C?

answered Feb 13 in Analytical Chemistry

1 answer 76 views

What is the effect of incorporating graphene as a conductive filler on the mechanical and electrical properties of polymer composites, and how does the concentration of graphene affect these properties?

answered Feb 13 in Materials Chemistry

1 answer 36 views

How can the prediction of reaction rates and mechanisms be used to design more efficient chemical processes?

answered Feb 10 in Quantum Chemistry

1 answer 62 views

How can the chemical properties of existing drugs be modified in order to develop new treatments for respiratory diseases that are more effective, have fewer side effects, and are affordable for patients?

asked Feb 6 in Medicinal Chemistry

1 answer 38 views

How can technology be effectively integrated into chemistry education to enhance student engagement and understanding of complex chemical concepts?

asked Feb 6 in Chemical education

1 answer 36 views

How can molecular docking studies of a potential drug candidate be used to optimize its binding affinity and selectivity to the target protein, leading to a more effective drug for therapeutic purposes?

asked Feb 5 in Computational Chemistry

1 answer 36 views

How can gel permeation chromatography (GPC) be used to determine the molecular weight distribution of a polymer sample? What are the advantages and limitations of using GPC compared to other polymer characterization techniques?

asked Feb 5 in Polymer Chemistry

1 answer 38 views

How can chemistry educators promote diversity and inclusivity in the classroom and laboratory to encourage underrepresented students to pursue careers in chemistry?

answered Feb 4 in Chemical education

1 answer 86 views

What is the difference in reactivity between carboxylic acids and acid chlorides towards nucleophilic substitution reactions, and what factors affect their reactivity?

asked Jan 31 in Organic Chemistry

1 answer 108 views

What is the major product when 2-methyl-1-pentanol is treated with concentrated sulfuric acid?

asked Jan 21 in Organic Chemistry

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