Recent activity by ElyseY075419

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How does the presence of impurities affect the adsorption properties of a metal surface in a catalytic reaction?

answered 3 days ago in Physical Chemistry

1 answer 16 views

How do the photochemical properties of gold nanoparticles differ from those of silver nanoparticles, and how can these differences be explained using the principles of photochemistry?

answered 3 days ago in PhotoChemistry

1 answer 21 views

What is the mechanism of a nucleophilic substitution reaction that occurs between an alkyl halide and an alcohol in the presence of a base?

asked 4 days ago in Organic Chemistry

1 answer 19 views

What is the effect of temperature on the critical micelle concentration (CMC) of a surfactant and how does it impact the surface tension of a liquid medium?

answered 5 days ago in Surface Chemistry

1 answer 24 views

What is the coordination number of the sodium ions in a crystal structure of NaCl?

answered 6 days ago in Physical Chemistry

1 answer 14 views

How does the temperature affect the folding and unfolding of a protein using molecular dynamics simulations? Can increasing or decreasing the temperature cause unusual protein conformations or even denaturation?

asked Feb 17 in Computational Chemistry

1 answer 25 views

What type of bonding is exhibited in the solid compound known as sodium chloride? Provide a detailed explanation supporting your answer with relevant chemical bonding principles.

answered Feb 14 in Chemical bonding

1 answer 35 views

How can we design drugs that specifically target and inhibit the growth of gram-negative bacteria, such as E. coli or P. aeruginosa, while leaving the beneficial gut microbiota unharmed?

asked Feb 12 in Medicinal Chemistry

1 answer 8 views

How can we design a drug that targets the root cause of genetic disorders, such as gene mutations, and effectively delivers the therapeutic agent to the target tissues and cells in the human body?

asked Feb 12 in Medicinal Chemistry

1 answer 9 views

How can we design a drug that specifically targets the serotonin transporter protein to treat depression?

answered Feb 12 in Medicinal Chemistry

1 answer 27 views

What is the dipole moment of CHCl3 molecule and what is the direction of the dipole moment?

answered Feb 12 in Chemical bonding

1 answer 38 views

What is the mechanism by which chlorofluorocarbons (CFCs) deplete the ozone layer? How does their chemical structure contribute to this process?

asked Feb 12 in Environmental Chemistry

1 answer 49 views

How can the risk of accidental release and exposure to hazardous chemicals during storage and transportation be minimized, while maintaining efficiency and cost-effectiveness in the design of a system?

asked Feb 10 in Chemical engineering

1 answer 36 views

How can the durability and adhesive properties of polymer-based coatings and paints be enhanced using different chemical strategies?

answered Feb 7 in Polymer Chemistry

1 answer 54 views

How can the chemical properties of a specific compound be optimized to enhance its efficacy in treating a specific skin disease while minimizing potential side effects?

asked Feb 6 in Medicinal Chemistry

1 answer 31 views

How can Fourier Transform Infrared Spectroscopy (FTIR) be used to identify different functional groups present in a polymer sample and how can the information obtained from FTIR spectra assist in characterization of the polymer?

answered Feb 5 in Polymer Chemistry

1 answer 29 views

How can students learn and understand chemical concepts effectively despite limited access to laboratory equipment and facilities?

asked Feb 5 in Chemical education

1 answer 56 views

Here's a precise problem for a chemistry student to solve, based on Thermochemistry and the Enthalpy of Desorption Calculations:Given the following data for the adsorption of hydrogen gas on a metal surface:- Initial pressure of hydrogen gas = 1 atm- Final pressure of hydrogen gas after adsorption = 0.2 atm- Temperature = 298 K- Surface area of the metal = 5 cm^2- Enthalpy of Desorption of hydrogen gas on the metal surface = -40 kJ/molCalculate the enthalpy change (in kJ) for the adsorption of hydrogen gas on the metal surface.

asked Feb 4 in ThermoChemistry

1 answer 45 views

Design a process for the purification of crude caffeine extracted from coffee beans, using available techniques and equipment at your disposal, while ensuring high purity and minimum loss of product.

asked Feb 4 in Chemical engineering

1 answer 63 views

Calculate the standard Gibbs free energy change (ΔG°) for the reaction below at 298 K:2NO(g) + O2(g) → 2NO2(g)Given:ΔG°f(NO2(g)) = -51.29 kJ/molΔG°f(NO(g)) = 86.67 kJ/molΔG°f(O2(g)) = 0 kJ/mol

asked Feb 3 in Physical Chemistry

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