Recent activity by MarcyWoolery

1 answer 34 views

What is the reaction rate law for the reaction A + 2B → C, if the rate varies with A to the power of 0.5 and B to the power of 1?

answered Feb 22 in Physical Chemistry

1 answer 74 views

What is the optimal temperature and duration required for the preparation of p-nitroaniline from aniline and nitric acid to achieve maximum yield?

asked Feb 22 in Chemical synthesis

1 answer 31 views

What are the optimal reaction conditions and steps required for the preparation of high-yield phenylalanine from benzyl chloride and ammonia using chemical synthesis techniques?

asked Feb 22 in Chemical synthesis

1 answer 27 views

What is the optimal reaction conditions (temperature, pressure, solvent, acid/base catalysis) for the synthesis of high molecular weight polyvinylpyrrolidone using vinylpyrrolidone as the monomer?

asked Feb 21 in Chemical synthesis

1 answer 40 views

How does the electronic configuration of transition metal cations influence the stability of their complexes, and how can this be used to predict the stability of inorganic compounds?

asked Feb 20 in Inorganic Chemistry

1 answer 36 views

How does the addition of nanoclays affect the mechanical properties (such as tensile strength and modulus) of a polymer matrix in polymer nanocomposites?

answered Feb 17 in Polymer Chemistry

1 answer 33 views

What is the effect of solvation on the intermolecular interactions between water and sodium chloride?

answered Feb 14 in Quantum Chemistry

1 answer 36 views

What is the effect of doping a graphene sheet with boron and nitrogen atoms using DFT calculations on its electronic properties, specifically on its band gap?

answered Feb 12 in Computational Chemistry

1 answer 76 views

How can the structure-activity relationship (SAR) of antibiotics be optimized to combat drug-resistant bacteria?

asked Feb 11 in Medicinal Chemistry

1 answer 83 views

How can the properties of biomaterials be investigated to determine their suitability for use in tissue engineering applications, and how do these properties affect their performance in vivo?

asked Feb 10 in Materials Chemistry

1 answer 40 views

How can the molecular weight of polyethylene oxide be controlled during the synthesis from ethylene oxide monomer? What factors affect the molecular weight and how can they be manipulated to produce a specific range of molecular weights?

answered Feb 10 in Chemical synthesis

1 answer 40 views

How can the molecular docking technique be applied to predict the binding affinity of two protein molecules in a protein-protein interaction?

answered Feb 10 in Computational Chemistry

1 answer 38 views

How can magnetic resonance spectroscopy be used to determine the purity of a chemical compound? Develop a protocol for using NMR spectroscopy to assess the purity of a sample of 2-butanone.

asked Feb 6 in Physical Chemistry

1 answer 44 views

How can industries dispose of their waste products in an environmentally friendly manner, while still ensuring that these products are not harmful to the environment?

answered Feb 5 in Environmental Chemistry

1 answer 37 views

How can chemists design new drugs that target specific receptors in the gastrointestinal tract to treat conditions such as irritable bowel syndrome and inflammatory bowel disease?

answered Feb 5 in Medicinal Chemistry

1 answer 37 views

How can chemistry students identify if their teacher has undergone adequate training to effectively teach chemistry?

asked Feb 5 in Chemical education

1 answer 152 views

Determine the equilibrium constant (Kc) for the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), given that at a certain temperature, the initial concentrations of SO2, O2, and SO3 were 0.10 M, 0.20 M, and 0.05 M, respectively, and the reaction was allowed to reach equilibrium.

asked Feb 4 in Chemical thermodynamics

1 answer 58 views

Calculate the standard enthalpy change for the phase transition of water from liquid to ice at 0°C, given the following information: The molar heat capacity of liquid water, Cp = 75.3 J/mol K The molar heat capacity of ice, Cp = 36.6 J/mol K The enthalpy of fusion, ΔHfus = 6.01 kJ/mol

asked Feb 3 in Chemical thermodynamics

1 answer 93 views

How do changes in temperature affect the structure and dynamics of a lipid bilayer membrane? Use molecular dynamics simulations to investigate the changes in lipid bilayer properties as temperature increases or decreases.

answered Jan 31 in Computational Chemistry

1 answer 119 views

What is the concentration of iron (II) ions in a water sample if the absorbance of the sample at a wavelength of 565 nm is measured to be 0.842 and it was found that a 1 cm cuvette contains 1.25 x 10^-4 moles of iron (II) ions? (The molar absorptivity of iron (II) ions at 565 nm is 1.9 x 10^4 L/mol cm).

asked Jan 30 in Analytical Chemistry

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