Recent activity by NadineKzd354

1 answer 23 views

What is the effect of temperature on the reaction rate and safety of the reaction between hydrogen peroxide and potassium iodide?

asked 3 days ago in Chemical kinetics

1 answer 2 views

How does the prediction of chemical reactivity and selectivity using quantum chemistry methods aid in the design of new drugs with specific target molecules?

asked 3 days ago in Quantum Chemistry

1 answer 31 views

How does the liver's Phase I and Phase II metabolic reactions affect the efficacy and toxicity of a drug in the body?

asked 4 days ago in Medicinal Chemistry

1 answer 24 views

What are the key molecular targets and mechanisms employed in the drug design strategies for treating metabolic disorders such as diabetes and obesity, and how can these drugs maximize efficacy and minimize side effects?

answered 4 days ago in Medicinal Chemistry

1 answer 22 views

How do the coordination properties of metal ions in metalloenzymes and metalloproteins influence their catalytic activity?

answered 6 days ago in Coordination Chemistry

1 answer 20 views

What is the coordination number of a transition metal complex with the chemical formula [Co(NH3)4Cl2]Cl?

answered 6 days ago in Coordination Chemistry

1 answer 20 views

How does the addition of a catalyst (such as catalase) affect the rate of decomposition of hydrogen peroxide?

asked Feb 17 in Chemical kinetics

1 answer 7 views

How does phosphorylation affect the activation of enzymes in the MAP Kinase signaling pathway and what is the role of ATP in this process?

asked Feb 14 in BioChemistry

1 answer 31 views

How do persistent organic pollutants (POPs) affect the aquatic environment in terms of biological magnification, and what measures can be taken to mitigate their impact?

asked Feb 14 in Environmental Chemistry

1 answer 7 views

What are the key structural features and functional groups required in designing drugs to effectively target and treat neurological disorders such as Alzheimer's and Parkinson's?

asked Feb 12 in Medicinal Chemistry

1 answer 32 views

How can the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine be optimized to achieve a maximum yield and purity of the final product? What are the key reaction parameters that need to be controlled and how can they be manipulated to improve the synthesis process?

asked Feb 11 in Chemical synthesis

1 answer 7 views

How can the process of designing a system for the storage and transportation of hazardous chemicals be optimized to ensure maximum safety for both workers and the environment?

asked Feb 10 in Chemical engineering

1 answer 45 views

How can the mechanical and thermal properties of polymer-based composites be optimized to meet the specific demands of aerospace applications such as aircraft structures, components, and equipment? Consider the effects of different types of fillers, matrix materials, processing techniques, and environmental conditions on the performance of the composites. Recommend an ideal polymer-based composite that can provide high strength, stiffness, toughness, and heat resistance for use in aerospace engineering.

answered Feb 10 in Polymer Chemistry

1 answer 35 views

How can the adsorption capacity of activated carbon for a specific pollutant be determined and optimized?

asked Feb 6 in Surface Chemistry

1 answer 8 views

How can medicinal chemists design drugs to specifically target the lifecycle of the Zika virus while minimizing the risk of harming healthy cells?

answered Feb 6 in Medicinal Chemistry

1 answer 39 views

How can electrokinetic remediation technology be utilized to clean up heavy metal contaminants from contaminated soil?

asked Feb 6 in Environmental Chemistry

1 answer 50 views

Develop a process for the purification of caffeine from tea leaves using solvent extraction technique. Provide a detailed explanation of the steps involved in the process and the criteria that will determine the efficiency of the procedure.

asked Feb 4 in Chemical engineering

1 answer 47 views

Determine the standard enthalpy change of the precipitation reaction between aqueous solutions of copper (II) sulfate and calcium hydroxide, given that the reaction produces copper (II) hydroxide, solid calcium sulfate and water as the products. The initial concentrations of the solutions are 0.1 M for copper (II) sulfate and 0.05 M for calcium hydroxide, and the reaction takes place at constant pressure and temperature of 25°C.

asked Feb 4 in Chemical thermodynamics

1 answer 35 views

Calculate the standard enthalpy change for the fusion of 2.5 moles of ice at 0℃ to form water at 0℃. Given that the molar enthalpy of fusion of ice is 6.01 kJ/mol and the specific heat capacity of water is 4.18 J/g·℃.

asked Feb 3 in Chemical thermodynamics

1 answer 60 views

Calculate the standard enthalpy change (in kJ/mol) for the dissolution of 3.50 g of potassium hydroxide (KOH) in 250.0 mL of water at 25°C, given that the molar heat of solution of KOH is -57.61 kJ/mol.

answered Feb 3 in Chemical thermodynamics

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