Recent activity by MamieSanmigu

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What is the relationship between the molecular weight and the glass transition temperature of a polymer? Provide experimental evidence to support your answer.

asked 1 day ago in Physical Chemistry

1 answer 20 views

What is the effect of concentration, temperature, and presence of an inert ion on the rate of a ligand substitution reaction of [Co(H2O)6]2+ with chloride ion? Can the reaction be described as an associative or a dissociative mechanism?

asked 3 days ago in Coordination Chemistry

1 answer 33 views

How does the photochemical behavior of metal complexes change with different ligands? Provide specific examples along with diagrams and explanations.

asked 4 days ago in PhotoChemistry

1 answer 26 views

How does the molecular weight of a polymer influence its rheological properties in a melt state? Provide experimental evidence to support your answer.

answered 4 days ago in Polymer Chemistry

1 answer 21 views

How does the molecular weight of a polymer affect its physical properties at different temperatures, and what is the relationship between polymer molecular weight and its glass transition temperature?

answered 4 days ago in Physical Chemistry

1 answer 20 views

What is the heat capacity of a substance if it takes 345 Joules of energy to raise the temperature of 15 grams of the substance by 12 degrees Celsius?

asked 5 days ago in ThermoChemistry

1 answer 29 views

How does the genetic makeup of an individual affect their response to a specific medication and what are the implications for drug design and personalized medicine?

asked 5 days ago in Medicinal Chemistry

1 answer 27 views

How does the change in temperature affect the folding behavior of a particular protein?

answered 5 days ago in Computational Chemistry

1 answer 24 views

What is the equilibrium constant expression for the following reaction at 298 K?H2(g) + I2(g) ⇌ 2HI(g)

asked 5 days ago in Physical Chemistry

1 answer 25 views

How does the double helix structure of DNA contribute to its stability and ability to store genetic information?

asked 6 days ago in BioChemistry

1 answer 16 views

How does the crystal structure of an inorganic compound affect its stability? Provide specific examples of inorganic compounds and their crystal structures to support your answer.

answered 6 days ago in Inorganic Chemistry

1 answer 17 views

What is the influence of cross-linking density on the mechanical properties of polymeric materials commonly used in biomedical applications?

asked 6 days ago in Materials Chemistry

1 answer 22 views

What is the coordination number and geometry of a complex made up of a trivalent actinide, Am(III), and six ligands with five unpaired electrons in the outermost shell?

asked 6 days ago in Coordination Chemistry

1 answer 29 views

How does the composition of landfill leachate affect the concentration of heavy metals in groundwater and what are the potential health impacts for those exposed to contaminated water?

answered Feb 18 in Environmental Chemistry

1 answer 31 views

What is the bond dissociation energy of a carbon-carbon single bond in ethane (C2H6) given that the enthalpy change for the reaction C2H6(g) → 2CH3(g) is -84.68 kJ/mol?

asked Feb 18 in ThermoChemistry

1 answer 27 views

How does the binding affinity of protein-protein interactions change when using various ligands in molecular docking studies, and can these differences be used to design more effective drugs to treat specific diseases?

asked Feb 17 in Computational Chemistry

1 answer 22 views

How does the addition of different dopants (such as nitrogen, boron, or phosphorus) affect the electrical conductivity of graphene?

asked Feb 17 in Materials Chemistry

1 answer 25 views

How does the activation of cAMP-dependent protein kinase (PKA) affect the signal transduction pathway of the beta-adrenergic receptor? Explain the chemical mechanism behind this process.

asked Feb 17 in BioChemistry

1 answer 30 views

What are the key photochemical properties of silver halide materials used in traditional film photography and how do they affect the creation and preservation of photographic images?

asked Feb 14 in PhotoChemistry

1 answer 44 views

How can the understanding of the role of chemistry in society and the economy be improved among the general public, and what are some effective methods that can be used to increase awareness and promote interest in the subject?

answered Feb 13 in Chemical education

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