Recent activity by ElvaL9406057

1 answer 13 views

How does the presence of a catalyst affect the rate and mechanism of a chemical reaction?

asked 3 days ago in Chemical kinetics

1 answer 4 views

What are the differences in the photochemical properties of R and S enantiomers for a specific molecule and how can this information be used in designing chiral photochemical reactions?

asked 3 days ago in PhotoChemistry

1 answer 23 views

What is the most effective chemical method for cleaning up oil spills and minimizing their impact on the environment?

answered 4 days ago in Environmental Chemistry

1 answer 30 views

What is the mechanism involved in the catalytic reaction of hydrogenation of ethylene over a platinum catalyst, and how does the morphology and crystallographic orientation of the platinum catalyst affect its activity and selectivity?

answered 5 days ago in Surface Chemistry

1 answer 20 views

What is the Lewis structure of the hydrogen peroxide molecule (H2O2)?

answered 5 days ago in Chemical bonding

1 answer 17 views

What is the influence of cross-linking density on the mechanical properties of polymeric materials commonly used in biomedical applications?

answered 6 days ago in Materials Chemistry

1 answer 33 views

What are the main types of liquid crystal phases and how do their properties differ from one another?

asked Feb 13 in Physical Chemistry

1 answer 30 views

Which metal will displace copper from copper sulfate solution - zinc or iron? Provide the balanced chemical equation for this single replacement reaction.

asked Feb 13 in Chemical reactions

1 answer 25 views

What is the effect of the popular pesticide glyphosate on human health when ingested through food? What is the mechanism of toxicity and how can it be mitigated?

answered Feb 13 in Environmental Chemistry

1 answer 42 views

How have environmental regulations impacted the chemical industry's production processes and how effective have they been in protecting the environment?

answered Feb 13 in Environmental Chemistry

1 answer 47 views

How can the process for the production of industrial gases be optimized to minimize energy consumption while maximizing yield and purity?

answered Feb 10 in Chemical engineering

1 answer 31 views

How can the molecular weight and properties of polyethylene synthesized from ethylene monomer be controlled and manipulated?

answered Feb 10 in Chemical synthesis

1 answer 37 views

How can the mechanical properties of a polymer be improved during processing and manufacturing?

asked Feb 10 in Polymer Chemistry

1 answer 21 views

How can computational techniques such as molecular docking be used to identify potential inhibitors of a specific protein-protein interaction involved in a disease process?

answered Feb 6 in Computational Chemistry

1 answer 33 views

How can current teaching methods in chemistry be modified to better support students with learning disabilities, specifically dyslexia and dysgraphia, in understanding and retaining the material?

answered Feb 5 in Chemical education

1 answer 25 views

How can practical applications of chemistry be better incorporated into the classroom curriculum to enhance the understanding and relevance of the subject for students?

answered Feb 5 in Chemical education

1 answer 34 views

How can chemistry educators integrate comprehensive safety protocols into their lesson plans to ensure that students are equipped with the knowledge and skills to conduct experiments safely in the laboratory?

answered Feb 4 in Chemical education

1 answer 40 views

Develop a polymer-based composite that can withstand extreme heat and high stress conditions, making it suitable for use in turbine engine components in aerospace applications.

answered Feb 4 in Polymer Chemistry

1 answer 40 views

Design a lubricant production system that can produce 1000 liters of lubricant per hour for use in heavy machinery. The system should be cost-effective, environmentally friendly, and able to meet industry standards for quality and performance. Include a detailed process flow diagram and a list of the necessary raw materials, equipment, and safety precautions for the production process. Additionally, calculate the total production cost per liter of lubricant and propose strategies for reducing production costs without compromising product quality.

asked Feb 4 in Chemical engineering

1 answer 28 views

Calculate the standard enthalpy change for the neutralization of HCl with NaOH, given that the heat of formation of water is -285.8 kJ/mol, the heat of formation of NaCl is -411.1 kJ/mol, and the initial concentrations of HCl and NaOH are 1.0 M.

answered Feb 3 in Chemical thermodynamics

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