Recent activity by HIELucille73

1 answer 40 views

What is the effect of changing the pH on the reaction rate between hydrochloric acid and magnesium metal, and how does this relationship vary with respect to changes in pH levels?

asked Feb 22 in Chemical kinetics

1 answer 30 views

What is the mechanism that governs the photochemical stability of quantum dots, and how can this be optimized for potential use in optoelectronics and biomedical applications?

answered Feb 22 in PhotoChemistry

1 answer 31 views

What is the optimum reaction condition (temperature, pressure, and catalyst concentration) for synthesizing high molecular weight polyvinylpyrrolidone from vinylpyrrolidone monomer using a free radical polymerization technique?

asked Feb 22 in Chemical synthesis

1 answer 38 views

What is the Faraday constant, and how can it be calculated using electrochemical data? Provide a step-by-step calculation to determine the value of the Faraday constant from the data collected during an electrochemical experiment.

answered Feb 20 in ElectroChemistry

1 answer 39 views

What is the critical micelle concentration of sodium dodecyl sulfate in water at room temperature and how does the addition of an electrolyte affect the critical micelle concentration?

answered Feb 19 in Surface Chemistry

1 answer 31 views

What is the critical micelle concentration of sodium dodecyl sulfate in water at room temperature? Provide calculations to support your answer.

asked Feb 19 in Surface Chemistry

1 answer 34 views

How does the binding of metal ions to metalloenzymes and metalloproteins affect their function and activity in biological systems?

asked Feb 17 in Coordination Chemistry

1 answer 36 views

What is the balanced chemical equation for the preparation of 2,4-dinitrophenol from phenol and nitric acid, and what mass of nitric acid (in grams) is required to produce 25 grams of 2,4-dinitrophenol with a 90% yield?

answered Feb 17 in Chemical synthesis

1 answer 30 views

How does the addition of an electrolyte affect the stability of a colloidal suspension and what is the mechanism behind coagulation of the colloidal particles in the presence of an electrolyte?

answered Feb 17 in Surface Chemistry

1 answer 38 views

What surface modification technique can be utilized to enhance the biocompatibility of titanium implants for bone tissue engineering applications?

answered Feb 14 in Surface Chemistry

1 answer 28 views

How do metalloenzymes and metalloproteins interact with metal ions in the coordination sphere and what are the factors that influence their reactivity?

answered Feb 13 in Coordination Chemistry

1 answer 54 views

What are the chemical constituents present in landfill leachate and how do they impact the quality of groundwater in the surrounding area?

answered Feb 13 in Environmental Chemistry

1 answer 104 views

How effective are current environmental regulations in reducing pollution and protecting the environment? A comparative analysis of the effectiveness of environmental regulations across different countries and industries.

asked Feb 13 in Environmental Chemistry

1 answer 62 views

What is the effect of doping with various elements on the critical temperature and critical magnetic fields in superconducting materials?

answered Feb 12 in Materials Chemistry

1 answer 70 views

What is the effect of doping concentration on the electrical conductivity of a semiconductor material used in electronic devices, and how does it impact the device performance?

asked Feb 12 in Materials Chemistry

1 answer 33 views

How can the design and optimization of a continuous flow process for the production of surfactants be achieved, taking into consideration the selection of raw materials, reactor and separation unit design, control system, and economic feasibility?

answered Feb 6 in Chemical engineering

1 answer 33 views

How can inadequate training for chemistry teachers affect the quality of education in student learning and performance in chemistry?

answered Feb 5 in Chemical education

1 answer 75 views

Given the electrochemical reaction Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s), calculate the standard cell potential at 25°C if the standard reduction potentials are E°(Cu2+/Cu) = 0.34 V and E°(Zn2+/Zn) = -0.76 V.

asked Feb 4 in ElectroChemistry

1 answer 88 views

What is the reaction mechanism for the formation of a water molecule from hydrogen and oxygen gas using quantum chemical calculations?

asked Jan 31 in Computational Chemistry

1 answer 101 views

How does the pH level of water affected by acid mine drainage in a particular region, and what are the chemical reactions that occur during this process?

answered Jan 30 in Environmental Chemistry

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