Recent activity by ClementMackr

1 answer 22 views

How does the size or shape of gold nanoparticles affect their catalytic activity in the oxidation of carbon monoxide?

answered 22 hours ago in Materials Chemistry

1 answer 16 views

What is the effect of different wavelengths of light on the reaction rate between potassium permanganate and oxalic acid?

asked 3 days ago in Chemical kinetics

1 answer 14 views

How does the rate of a photochemical reaction change as the intensity of light is increased or decreased?

asked 3 days ago in PhotoChemistry

1 answer 21 views

What are the resonance structures of nitrate ion (NO3-) and how can they be identified using formal charges and electron-dot structures?

answered 3 days ago in Chemical bonding

1 answer 22 views

How does the molecular weight of a polymer affect its suitability for use in 3D printing applications?

asked 4 days ago in Materials Chemistry

1 answer 20 views

What is the molecular geometry and bond angle of the carbon dioxide (CO2) molecule?

answered 4 days ago in Quantum Chemistry

1 answer 18 views

How does the coordination of metal ions affect the structure and function of metalloenzymes and metalloproteins? Provide specific examples and explain the role of coordination in enzyme catalysis.

answered 6 days ago in Coordination Chemistry

1 answer 18 views

How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity? Provide specific examples.

asked 6 days ago in Coordination Chemistry

1 answer 24 views

What is the bond order of nitrogen in a nitrogen molecule (N2)?

answered Feb 18 in Chemical bonding

1 answer 36 views

How does temperature affect the phase behavior of liquid crystals? Using Monte Carlo simulations, analyze the changes in order and the formation of different phases in liquid crystal systems with varying temperature.

answered Feb 17 in Computational Chemistry

1 answer 28 views

What are the photochemical properties of oxybenzone, avobenzone, and octinoxate, and how do these properties affect the effectiveness of these sunscreen agents in protecting against UV radiation?

asked Feb 14 in PhotoChemistry

1 answer 46 views

How can we increase diversity in the chemistry field and create a more inclusive environment for underrepresented groups?

asked Feb 13 in Chemical education

1 answer 8 views

What is the coordination geometry and oxidation state of the metal ion in the active site of cytochrome c oxidase, a metalloenzyme involved in the electron transport chain? How does this metal ion facilitate the transfer of electrons during respiration?

answered Feb 12 in Coordination Chemistry

1 answer 37 views

How can the compatibility between two polymers be improved when creating a polymer blend for a specific application, and what are the key factors in determining their compatibility?

answered Feb 6 in Polymer Chemistry

1 answer 30 views

How can computational chemistry be used to determine the binding affinity between a host molecule and guest molecules in supramolecular chemistry?

answered Feb 5 in Computational Chemistry

1 answer 61 views

Determine the standard enthalpy change for the formation of methane gas (CH4) from its constituent elements (C and H2) given the following standard enthalpy of formation values: ΔHf°(C) = 0 kJ/mol and ΔHf°(H2) = 0 kJ/mol.

asked Feb 4 in Chemical thermodynamics

1 answer 13 views

Design a polymer-based sensor that can detect the presence of heavy metals in water and suggest a mechanism for its working.

answered Feb 4 in Polymer Chemistry

1 answer 53 views

Calculate the standard enthalpy change for the reaction: 2H2(g) + O2(g) --> 2H2O(l)Given the following enthalpies of formation: ∆Hf°(H2O, l) = -285.8 kJ/mol ∆Hf°(H2, g) = -241.8 kJ/mol ∆Hf°(O2, g) = 0 kJ/mol

answered Feb 3 in Chemical thermodynamics

1 answer 46 views

How do chaperone proteins facilitate the correct folding of newly synthesized proteins in the cell?

asked Feb 3 in BioChemistry

1 answer 62 views

How do changes in the phosphorylation state of proteins within a cell’s signal transduction pathway affect the activation of downstream enzymes and ultimate cellular response? Provide examples of specific signal transduction pathways and how modulating these phosphorylation events can impact cellular behavior.

answered Jan 31 in BioChemistry

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