Recent activity by FranceBrackm

1 answer 26 views

How does the shape and size of gold nanoparticles affect their behavior in water? Use molecular dynamics simulations to compare the diffusion rate and energy of small, spherical gold nanoparticles versus larger, rod-shaped gold nanoparticles.

asked Feb 24 in Computational Chemistry

1 answer 32 views

How does the rotation of molecules affect energy transfer processes between them? An experimental study using quantum chemistry simulations.

answered Feb 24 in Quantum Chemistry

1 answer 26 views

What is the equilibrium constant for the reaction between a weak oxidizing agent, such as iodine (I2), and a reducing agent, such as thiosulfate (S2O3^2-)?

answered Feb 22 in Chemical equilibrium

1 answer 30 views

What are the primary sources of ozone-depleting chemicals and how do they contribute to the depletion of the ozone layer? Furthermore, what strategies can be implemented to reduce the release of these chemicals into the atmosphere?

answered Feb 22 in Environmental Chemistry

1 answer 25 views

What is the most efficient chemical process for producing a specific food additive, and how can this process be optimized to minimize waste and maximize yield without compromising the purity and quality of the final product?

answered Feb 21 in Chemical engineering

1 answer 37 views

How does the molecular structure of a polymer-based membrane affect its performance in removing specific contaminants from water during the process of water treatment?

answered Feb 21 in Polymer Chemistry

1 answer 23 views

How does the critical temperature of a superconducting material change with varying doping concentrations of a particular element?

answered Feb 19 in Materials Chemistry

1 answer 28 views

What is the complete combustion equation and balanced chemical equation for the reaction between methane (CH4) and oxygen (O2)?

asked Feb 18 in Chemical reactions

1 answer 29 views

What is the difference in the reaction mechanism between the addition of hydrogen to an alkene and an alkyne? Provide a detailed explanation for the observed difference in product formation.

asked Feb 17 in Organic Chemistry

1 answer 35 views

How does surface modification of biomaterials affect their biocompatibility and cellular adhesion?

asked Feb 17 in Surface Chemistry

1 answer 24 views

How do the properties of different types of POPs affect their persistence in the environment and their potential impact on human health?

answered Feb 14 in Environmental Chemistry

1 answer 37 views

How can we optimize the binding affinity of potential drug candidates for a target protein involved in inflammatory diseases through structural modifications?

asked Feb 14 in Medicinal Chemistry

1 answer 42 views

What is the oxidation state of nitrogen in the compound NH4NO3 and which element is getting reduced and which is being oxidized in the given reaction: NH4NO3 -> N2O + 2H2O?

asked Feb 13 in Chemical reactions

1 answer 44 views

How can the synthesis of metal-organic frameworks be optimized to improve their efficiency and stability, while also reducing the cost of production?

answered Feb 11 in Materials Chemistry

1 answer 25 views

How can the performance of polymer-based membranes for water treatment be optimized to enhance their filtration efficiency and maximize the removal of contaminants?

answered Feb 10 in Polymer Chemistry

1 answer 35 views

How can magnetic nanoparticles be synthesized and characterized for efficient drug delivery?

asked Feb 5 in Materials Chemistry

1 answer 29 views

Consider the following reaction: 2 SO2(g) + O2(g) ⇌ 2SO3(g) ΔH = -198 kJ/mol What will be the effect on the equilibrium concentration of SO3 if:a) The pressure of the system is increased?b) The concentration of SO2 is increased?c) A catalyst is added to the system?

answered Jan 30 in Chemical reactions

1 answer 91 views

What is the composition of a mixture containing benzene, toluene, and xylene using gas chromatography?

answered Jan 30 in Analytical Chemistry

1 answer 48 views

Calculate the lattice energy of CaO given the following information: the enthalpy of formation of CaO is -635 kJ/mol, the ionization energy of Ca is 590 kJ/mol, the electron affinity of O is -141 kJ/mol, and the Ca–O bond length is 2.23 Å.

answered Jan 23 in Inorganic Chemistry

1 answer 56 views

Calculate the heat required to raise the temperature of a 50 g sample of water from 25°C to 85°C, given that the specific heat capacity of water is 4.184 J/g°C.

answered Jan 23 in ThermoChemistry

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