Recent activity by ArnulfoWall

1 answer 14 views

What is the quantum yield of the photolysis of benzene on a certain wavelength λ? Provide a detailed explanation of the photophysical processes involved and the mathematical method used to calculate the quantum yield.

asked 3 days ago in Physical Chemistry

1 answer 20 views

How does the orientation of reactant molecules affect the reaction rate in the presence of a catalyst?

asked 4 days ago in Chemical kinetics

1 answer 24 views

How does the introduction of a single atom impurity affect the electronic transport properties of a gold nanowire as predicted by Density Functional Theory calculations?

asked 5 days ago in Computational Chemistry

1 answer 25 views

What is the effect of temperature on the surface tension of water, and how can it be measured accurately?

asked 6 days ago in Surface Chemistry

1 answer 15 views

What is the effect of changing light intensity on the rate of a specific chemical reaction, and how can this be quantitatively measured using a spectrophotometer?

asked 6 days ago in Chemical kinetics

1 answer 32 views

How do the coordination chemistry and structure of metalloproteins affect the enzymatic activity of heme-containing proteins, such as myoglobin and hemoglobin?

answered 6 days ago in Coordination Chemistry

1 answer 21 views

What is the balanced chemical equation for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH), and how many moles of sodium chloride (NaCl) will be produced when 50 mL of 0.1 M HCl is reacted with excess NaOH?

answered Feb 17 in Chemical reactions

1 answer 15 views

What is the balanced chemical equation for the decomposition of calcium carbonate (CaCO3) when heated?

asked Feb 17 in Chemical reactions

1 answer 32 views

How does the absorption of light by molecules or materials affect their electronic structure and reactivity? Specifically, investigate the relationship between the photoexcitation of molecules and their subsequent chemical reaction pathways.

answered Feb 17 in Quantum Chemistry

1 answer 19 views

How does quantum coherence and entanglement affect the electronic structure and properties of a single molecule in a nanoscale system?

asked Feb 14 in Quantum Chemistry

1 answer 25 views

What is the role of metal ions in the mechanism of metalloenzymes? Please provide specific examples of metalloenzymes and their corresponding metal ion cofactors.

answered Feb 13 in Coordination Chemistry

1 answer 38 views

What is the role of the enzyme DNA polymerase III in DNA replication and how does it ensure fidelity during the process?

asked Feb 12 in BioChemistry

1 answer 44 views

How can we use computational chemistry and molecular modeling to predict the behavior and interactions of a specific chemical compound under different environmental conditions, such as temperature and pressure?

answered Feb 12 in Physical Chemistry

1 answer 43 views

How can the production of fragrances using chemical engineering be optimized for maximum efficiency and sustainability while ensuring the desired scent profile?

asked Feb 10 in Chemical engineering

1 answer 35 views

How can the lack of emphasis on environmental chemistry in chemical education affect the ability of future chemists to create sustainable solutions for environmental issues?

asked Feb 7 in Chemical education

1 answer 31 views

How can the chemical and physical properties of cosmetic ingredients be optimized to design a system that produces effective and safe cosmetic products in a cost-effective manner?

answered Feb 6 in Chemical engineering

1 answer 42 views

How can computational chemistry and molecular docking studies be applied to identify potential drug candidates for the treatment of cancer?

asked Feb 5 in Computational Chemistry

1 answer 43 views

Given the balanced equation for the electrochemical reaction: Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s)Calculate the number of electrons transferred per copper atom during this reaction when a current of 5.00 A is passed for 6.00 minutes through a cell containing a copper electrode and a silver electrode with a silver ion concentration of 0.100 M.

answered Feb 4 in ElectroChemistry

1 answer 11 views

Consider the reaction A + B ⇌ C + D, which has an equilibrium constant of 2.0 x 10^-3 at a given temperature. Initially, 0.10 mol of A and 0.20 mol of B are placed in a flask. Calculate the equilibrium concentrations of all species in the flask.

asked Feb 3 in Chemical equilibrium

1 answer 74 views

How does the addition of nitrogen atoms affect the electronic and optical properties of a graphene sheet? Calculate the bandgap and absorption spectra of a graphene sheet with varying nitrogen concentration using quantum chemical calculations.

asked Jan 31 in Quantum Chemistry

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