Recent activity by AgnesXyg5256

1 answer 21 views

How does the reaction rate (measured in moles per second) of the reaction between hydrochloric acid (HCl) and magnesium (Mg) change as the pH of the solution varies from 1 to 7?

answered 3 days ago in Chemical kinetics

1 answer 19 views

What is the rate of decomposition of hydrogen peroxide if a solution containing 0.02 mol/L hydrogen peroxide loses 0.005 mol/L per minute at a certain temperature?

asked 3 days ago in Chemical reactions

1 answer 4 views

What is the biochemical mechanism responsible for the activation of the insulin receptor and subsequent insulin signaling pathway in the liver?

answered 5 days ago in BioChemistry

1 answer 22 views

What is the mechanism of the Hofmann degradation reaction of amides, and how does it differ from other amide hydrolysis reactions?

answered 5 days ago in Organic Chemistry

1 answer 21 views

What is the enthalpy change for the ionization of lithium with a first ionization energy of 520 kJ/mol?

asked 5 days ago in ThermoChemistry

1 answer 25 views

How do the electronic and optical properties of graphene and other 2D materials vary with changes in temperature and doping concentration?

asked 5 days ago in Quantum Chemistry

1 answer 25 views

What is the effect of varying the ratio of monomers in a polymer blend on its mechanical and thermal properties for use in 3D printing?

answered 5 days ago in Materials Chemistry

1 answer 22 views

What is the effect of different light sources (UV, visible, and dark) on the reaction rate of the decomposition of hydrogen peroxide catalyzed by potassium iodide?

answered 5 days ago in Chemical kinetics

1 answer 23 views

What is the coordination chemistry of the chelating agent ethylenediaminetetraacetic acid (EDTA) and how does it work in chelation therapy to remove heavy metal toxins from the body?

asked 6 days ago in Coordination Chemistry

1 answer 17 views

What is the chemical reaction mechanism for the conversion of an alkene to an alcohol using acidic potassium permanganate as the oxidizing agent, and how does the functional group of the alkene change during the reaction?

answered 6 days ago in Organic Chemistry

1 answer 28 views

How does the catalytic activity of a metal cluster catalyst change when the size of the cluster is modified? Use density functional theory calculations to investigate and provide a detailed explanation.

asked Feb 18 in Computational Chemistry

1 answer 25 views

How do the properties of surfactants, such as hydrophobicity and hydrophilicity, affect their ability to reduce surface tension in a liquid and increase the solubility of non-polar substances in water?

answered Feb 17 in Surface Chemistry

1 answer 30 views

What is the effect of increasing pressure on the reaction rate of the gas phase reaction between hydrogen gas and iodine gas to form hydrogen iodide, and how can this effect be explained using collision theory and the ideal gas law?

asked Feb 13 in Chemical kinetics

1 answer 39 views

How can we determine the molecular weight distribution of a polymer using gel permeation chromatography (GPC)?

asked Feb 13 in Polymer Chemistry

1 answer 46 views

How can the structure of a virus be used to design drugs that specifically target and inhibit the virus's replication cycle? What synthetic strategies and techniques can be used to synthesize these drugs efficiently and cost-effectively?

answered Feb 11 in Medicinal Chemistry

1 answer 32 views

How can the electronic and magnetic properties of metal-organic frameworks (MOFs) be predicted using quantum chemistry methods such as density functional theory (DFT)?

asked Feb 7 in Quantum Chemistry

1 answer 30 views

How can the chemical structure of a polymer-based drug delivery system be optimized to improve the targeting and release of drugs to specific areas of the body?

asked Feb 6 in Polymer Chemistry

1 answer 52 views

Design a polymer-based sensor for detecting the presence of ethanol in aqueous solutions, and provide a detailed explanation of the principles behind its operation.

answered Feb 4 in Polymer Chemistry

1 answer 38 views

Calculate the standard enthalpy change for the reaction of dissolving 5.00 grams of NaOH in 100.0 mL of water at 25°C, given that the heat absorbed by the solution is 11.76 kJ. (Assume the density of water is 1.00 g/mL and the heat capacity of the solution is the same as that of water.)

asked Feb 3 in Chemical thermodynamics

1 answer 41 views

What is the effect of changing the concentration of reactants on the reaction rate and sustainability of a chemical reaction?

answered Feb 3 in Chemical kinetics

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