Recent activity by EttaKee54894

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What is the effect of the size and shape of nanomaterials on their electronic and optical properties?

asked Feb 24 in Quantum Chemistry

1 answer 28 views

What is the effect of changing the concentration of the reactants on the reaction rate and reaction yield of a chemical reaction, specifically the reaction between hydrogen peroxide and iodide ions?

answered Feb 22 in Chemical kinetics

1 answer 39 views

What specific composition of metal alloys would be most effective in the fabrication of jet engine turbines for commercial airplanes, given the requirements of strength, durability, and operational temperature range?

asked Feb 21 in Materials Chemistry

1 answer 33 views

What is the electronegativity difference between the hydrogen and chlorine atoms in an HCl molecule, and what type of bond do they form?

asked Feb 20 in Chemical bonding

1 answer 31 views

What is the effect of varying the concentration of reactants on the rate of the reaction between sodium thiosulphate and hydrochloric acid, and how does this affect the reaction efficiency?

asked Feb 20 in Chemical kinetics

1 answer 37 views

How does the concentration of reactants affect the selectivity of the reaction between molecule X and molecule Y, when carried out at different temperatures?

answered Feb 19 in Chemical kinetics

1 answer 36 views

How does the composition of the spilled oil affect its degradation rate in the environment, and what are the most effective methods for remediation of oil spills according to their chemical properties?

asked Feb 18 in Environmental Chemistry

1 answer 24 views

What is the bond order of nitrogen molecule, N2?

answered Feb 18 in Chemical bonding

1 answer 27 views

How does the amino acid sequence affect the folding mechanism of proteins, and can molecular dynamics simulations provide insights into the folding pathway and determine the stability of the folded structure?

asked Feb 17 in Computational Chemistry

1 answer 28 views

How does surface modification of polymers affect the adhesion of coatings to the polymer surface and what are the key factors influencing the adhesion strength?

answered Feb 17 in Surface Chemistry

1 answer 44 views

How can the synthesis of zeolites be optimized to achieve maximum yield, purity and selectivity? And how can the developed synthesis methods be scaled up for practical applications in industry?

answered Feb 14 in Materials Chemistry

1 answer 44 views

What is the electronic structure and bonding model of the nitrogen dioxide (NO2) molecule, and how is this reflected in the molecular orbital diagram and spectroscopic properties of NO2?

answered Feb 14 in Quantum Chemistry

1 answer 74 views

What is the effect of incorporating different types of nanoparticles into a polymer matrix on the mechanical properties and thermal stability of polymer-based composites for aerospace applications?

asked Feb 13 in Polymer Chemistry

1 answer 55 views

In the coordination compound [Co(en)2Cl2]Cl, identify the types of isomerism present and draw the structures of each isomer.

asked Feb 13 in Coordination Chemistry

1 answer 54 views

What are the photochemical properties of gold nanoparticles and how do they affect their optical and electronic properties?

asked Feb 13 in PhotoChemistry

1 answer 32 views

How do genetic variations affect drug response in patients with specific diseases such as cardiovascular diseases or cancer?

answered Feb 13 in Medicinal Chemistry

1 answer 52 views

What is the coordination geometry and oxidation state of the metal ion in the active site of the metalloenzyme cytochrome c oxidase responsible for the four-electron reduction of O2 to H2O during cellular respiration?

answered Feb 12 in Coordination Chemistry

1 answer 47 views

How can molecular dynamics simulations be used to predict the folding mechanism and stability of a specific protein under different environmental conditions?

answered Feb 5 in Computational Chemistry

1 answer 44 views

How can computational chemistry be used to study protein-protein interactions and lead to the discovery of potential inhibitors for disease-related interactions? Specifically, can molecular docking studies be used to predict the binding affinity and selectivity of a small molecule inhibitor to a protein-protein interface involved in a particular disease pathway?

asked Feb 5 in Computational Chemistry

1 answer 91 views

Determine the standard enthalpy change for the following reaction: 2 Fe (s) + 3/2 O2 (g) → Fe2O3 (s) Given the following data: - ΔHf° of Fe2O3 (s) = -826 kJ/mol - ΔHf° of O2 (g) = 0 kJ/mol - The heat capacity of the calorimeter is 135 J/°C Assume that the reaction takes place at constant pressure and that the heat absorbed by the calorimeter is negligible.

asked Feb 4 in Chemical thermodynamics

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