Recent activity by YasminWorrel

1 answer 76 views

How does the size and shape of a solid catalyst affect the rate of a catalytic reaction? Provide experimental evidence to support your answer.

answered Feb 24 in Surface Chemistry

1 answer 78 views

How does the rate of drug metabolism affect the pharmacokinetics of a drug in the human body?

asked Feb 22 in Medicinal Chemistry

1 answer 80 views

What is the step-by-step procedure for preparing p-nitroaniline from aniline and nitric acid, and what are the necessary precautions that should be taken during the reaction to ensure a successful and safe synthesis?

answered Feb 22 in Chemical synthesis

1 answer 67 views

What is the mechanism for the preparation of 2-chloro-4-nitroaniline from aniline and chlorine gas, and what parameters (such as temperature and pressure) are crucial for the success of the reaction?

asked Feb 22 in Chemical synthesis

1 answer 73 views

What is the predicted bond angle for the H2O molecule and what are the factors that affect this angle?

answered Feb 22 in Chemical bonding

1 answer 80 views

What is the optimal ratio of diisocyanate and polyol for synthesizing polyurethane with the highest possible mechanical strength?

asked Feb 21 in Chemical synthesis

1 answer 89 views

What are the key factors affecting the mechanical properties of polymer-based materials used for 3D printing, and how can these be optimized for specific applications?

answered Feb 20 in Polymer Chemistry

1 answer 72 views

What is the hybridization of the nitrogen atom in the molecule NH3?

asked Feb 20 in Chemical bonding

1 answer 76 views

What is the critical micelle concentration (CMC) and how does it vary with temperature and the nature of surfactants? Investigate and compare the CMC of two different surfactants and analyze the factors that affect their behavior during micelle formation.

answered Feb 19 in Surface Chemistry

1 answer 74 views

How does the coordination number of metal ions affect the formation and properties of metal-organic frameworks?

asked Feb 19 in Coordination Chemistry

1 answer 86 views

What is the mechanism by which Nitration of Benzene occurs in organic chemistry, and what is the effect of varying the concentration of Nitric acid on the rate of reaction?

asked Feb 13 in Organic Chemistry

1 answer 92 views

One possible question for the student could be: How does the binding of metal ions to enzymes and proteins affect their structure and function, and what are the key factors that govern their specificity and affinity?

asked Feb 13 in Coordination Chemistry

1 answer 95 views

What are the different types of liquid crystals and how do their properties differ? How do the properties of liquid crystals make them useful in electronic displays and other technological applications?

answered Feb 13 in Physical Chemistry

1 answer 119 views

What is the predicted bond strength of a carbon-carbon single bond and a carbon-nitrogen double bond in a molecule of acrylonitrile (C3H3N)? Justify your answer using the bond length and electronegativity values of the atoms involved.

asked Feb 13 in Chemical bonding

1 answer 120 views

How can the process for the production of polymers be optimized for increased efficiency and yield while minimizing the formation of byproducts?

asked Feb 10 in Chemical engineering

1 answer 88 views

How can the development of new antibiotics be accelerated to combat the growing problem of drug-resistant bacteria?

asked Feb 7 in Medicinal Chemistry

1 answer 89 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 130 views

Design a system for the safe storage and transportation of 1000 liters of hydrochloric acid, taking into account factors such as temperature and pressure control, compatibility with the storage container and transportation vehicle, and emergency response measures in case of spills or leaks.

answered Feb 4 in Chemical engineering

1 answer 139 views

Design a process for the purification of crude acetone obtained from the industrial production of phenol to obtain at least 99% pure acetone. Take into account the initial impurities in the crude acetone and suggest suitable separation techniques to remove them. Specify the equipment and operating conditions required for your proposed purification process.

asked Feb 4 in Chemical engineering

1 answer 146 views

What is the metabolic pathway of a commonly prescribed drug such as aspirin in the body, and how do different factors such as age, gender, and genetics affect the metabolism of this drug?

asked Jan 31 in Medicinal Chemistry

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