Recent activity by Marietta86T

1 answer 20 views

What is the mechanism for the preparation of 4-bromoacetanilide from acetanilide and bromine, and how does the mechanism differ from the preparation of aniline from nitrobenzene?

answered 3 days ago in Chemical synthesis

1 answer 16 views

What is the predicted bond angle in a water molecule and how does it relate to the molecule's unique physical and chemical properties?

answered 3 days ago in Chemical bonding

1 answer 14 views

What is the mechanism of the nucleophilic substitution reaction between bromomethane and ammonia?

asked 3 days ago in Organic Chemistry

1 answer 22 views

What is the Faraday constant, and how is it calculated for a given electrochemical cell? Take the example of a cell with nickel electrodes in 1M nickel sulfate solution at 25°C and apply the formula to determine the Faraday constant.

answered 5 days ago in ElectroChemistry

1 answer 19 views

How do the electronic properties of a material change with different chemical functionalization techniques and how can those changes be accurately predicted using density functional theory calculations?

answered 5 days ago in Computational Chemistry

1 answer 23 views

What is the effect of different ligands on the rate and mechanism of ligand substitution reactions in transition metal complexes?

asked 5 days ago in Coordination Chemistry

1 answer 19 views

How does the coordination chemistry of metalloenzymes and metalloproteins affect their function? Please provide a detailed analysis of the role of metal ions and the coordination environment in enzymatic function.

asked 6 days ago in Coordination Chemistry

1 answer 35 views

How does the Calvin cycle utilize enzymes to fix carbon dioxide and synthesize carbohydrates during photosynthesis?

asked Feb 18 in BioChemistry

1 answer 30 views

How does the amino acid composition affect the folding pathway of a specific protein molecule in Molecular Dynamics Simulations?

answered Feb 17 in Computational Chemistry

1 answer 33 views

What is the activation energy for the acid-catalyzed hydrolysis of sucrose at 25°C?

answered Feb 17 in Chemical kinetics

1 answer 33 views

How do different factors such as temperature, pH, and salt concentration affect the folding behavior of a specific protein? Use molecular dynamics simulations to investigate the folding pathways and stability of the protein under varying conditions.

asked Feb 17 in Computational Chemistry

1 answer 35 views

How does the quantum transport phenomenon differ in molecular and nanoscale systems, and how can it be quantitatively described and predicted using probabilistic and statistical models?

asked Feb 14 in Quantum Chemistry

1 answer 32 views

What are the type of hybrid orbitals present in the molecule ethene (C2H4) and what is the bond angle between the carbon atoms?

asked Feb 13 in Chemical bonding

1 answer 47 views

How can the process parameters of polymer production be optimized to achieve high yield and quality of the resulting polymer product?

asked Feb 10 in Chemical engineering

1 answer 25 views

How can the electrical conductivity of semiconductors be manipulated by doping with specific impurities and what is the effect of this on the properties of electronic devices such as transistors?

answered Feb 7 in Materials Chemistry

1 answer 34 views

How can magnetic resonance spectroscopy be used to determine the structure of complex organic molecules? Provide an example of a molecule and explain how its structure can be determined using this technique.

asked Feb 5 in Physical Chemistry

1 answer 64 views

Calculate the quantity of heat required to melt 50.0 g of ice at its melting point (0°C). The enthalpy of fusion of water is 6.01 kJ/mol.

answered Feb 3 in ThermoChemistry

1 answer 39 views

Calculate the polarization of a copper electrode immersed in a 0.1 M CuSO4 solution at 25°C when it is coupled to a hydrogen electrode with a hydrogen pressure of 1 atm. Given that the standard reduction potential of Cu2+|Cu electrode is 0.34 V and the standard reduction potential of H+|H2 electrode is 0 V at 25°C.

asked Feb 3 in ElectroChemistry

1 answer 10 views

How can a chemical engineer optimize the production process of flavors by designing a system that maximizes yield and minimizes waste, while maintaining the desired quality and purity of the final product?

answered Jan 30 in Chemical engineering

1 answer 77 views

How to determine the concentration of chloride ions in a given solution using an ion-selective electrode?

asked Jan 30 in Analytical Chemistry

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