Recent activity by FaustinoBon9

1 answer 16 views

How do the photochemical properties of supramolecular assemblies depend on the shape and size of the assemblies, as well as the composition of the molecules involved in the supramolecular assembly?

answered 3 days ago in PhotoChemistry

1 answer 25 views

How do the photochemical properties of metal complexes vary with changes in the coordination geometry of the metal center?

asked 3 days ago in PhotoChemistry

1 answer 2 views

How does the pH level of a solution affect the rate of a photochemical reaction between a photosensitizer and a substrate, and how can this knowledge be applied in designing more efficient and selective photochemical reactions?

asked 3 days ago in PhotoChemistry

1 answer 24 views

What is the optimal temperature range for the synthesis of polyethylene oxide from ethylene oxide monomer, and how does changing the temperature affect the yield and molecular weight of the product?

asked 3 days ago in Chemical synthesis

1 answer 18 views

What is the most stable geometric configuration for a [Fe(CN)6]^-4 ion using ab initio calculations, and how does the presence of a co-ligand, such as H2O or NH3, affect the stability and reactivity of the complex?

answered 3 days ago in Computational Chemistry

1 answer 35 views

How does the change in the oxidation state of a molecule affect its electron transfer processes and reaction kinetics in redox reactions?

answered Feb 18 in Quantum Chemistry

1 answer 25 views

What is the optimal reaction conditions to synthesize polyethylene terephthalate from terephthalic acid and ethylene glycol, and how does the reaction conditions affect the properties of the resulting polymer?

asked Feb 14 in Chemical synthesis

1 answer 46 views

What are the type of hybrid orbitals involved in the formation of the CBr4 molecule, and what is the hybridization state of the carbon atom?

answered Feb 13 in Chemical bonding

1 answer 35 views

What is the coordination number of Uranium in [UO2Cl4]2- complex, and what is the oxidation state of Uranium?

answered Feb 13 in Coordination Chemistry

1 answer 34 views

What is the effect on the equilibrium position of the following reaction: 2NO2(g) ⇌ N2O4(g) If we add more N2O4 to the reaction chamber?

answered Feb 13 in Chemical equilibrium

1 answer 40 views

What is the role of glutamine synthetase in nitrogen assimilation and how does it function?

answered Feb 13 in BioChemistry

1 answer 35 views

How can the chemical structure of molecules be optimized to improve their efficacy in treating respiratory diseases such as asthma and COPD?

asked Feb 6 in Medicinal Chemistry

1 answer 9 views

How can computational chemistry and molecular modeling help in predicting the behavior of molecules in reactions and designing new molecules with specific properties?

asked Feb 5 in Physical Chemistry

1 answer 50 views

Design a distillation column that separates a mixture of benzene and toluene with a feed of 50 mol% benzene and 50 mol% toluene, into two product streams: one with a purity of 99% benzene and the other with a purity of 99% toluene. The total distillate flow rate should be 80% of the feed flow rate and the reflux ratio should be 1.5 times the minimum reflux ratio. Provide a complete design including the required stages, the reboiler duty, and the reflux flow rate.

asked Feb 3 in Chemical engineering

1 answer 45 views

Consider the following equilibrium reaction:2NO(g) + Br2(g) ⇌ 2NOBr(g)If the initial concentration of NO is 0.10 M, Br2 is 0.20 M, and NOBr is 0.40 M, what would be the concentration of NOBr when additional Br2 is added such that its concentration is doubled? Calculate the new equilibrium concentration of NOBr assuming all other conditions remain the same.

answered Feb 3 in Chemical equilibrium

1 answer 40 views

Consider an electrochemical cell with a copper metal electrode immersed in a solution of copper sulfate, and a platinum electrode in a solution of hydrogen sulfate. The current is measured at 25°C while the cell potential is varied. The following data is obtained for the anodic and cathodic currents:Anodic current:Cell potential (V): 0.20 0.30 0.40 0.50 0.60Current (mA): 1.01 1.80 3.04 4.58 6.25Cathodic current:Cell potential (V): -0.20 -0.30 -0.40 -0.50 -0.60Current (mA): -1.00 -1.79 -3.02 -4.54 -6.19Calculate the anodic and cathodic Tafel slopes for this electrochemical cell.

answered Feb 3 in ElectroChemistry

1 answer 50 views

Calculate the standard enthalpy change (∆H°) for the combustion of methane (CH4(g)) given the balanced equation: CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)(Note: The values of standard enthalpies of formation of CO2(g), H2O(l) and CH4(g) are -393.5 kJ/mol, -285.8 kJ/mol, and -74.8 kJ/mol, respectively)

answered 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?

asked Feb 3 in Chemical kinetics

1 answer 69 views

What is the probability of a gas-phase reaction between methane and chlorine producing methyl chloride at a temperature of 500 K using Monte Carlo simulations?

asked Jan 31 in Computational Chemistry

1 answer 52 views

What effect does adding a catalyst to a chemical system have on the equilibrium position and how does this impact the overall rate of reaction? Use the example of the Haber process to illustrate your answer with calculations.

asked Jan 30 in Chemical equilibrium

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