Recent activity by EfrainAlarco

1 answer 27 views

What is the impact of size and shape of nanomaterials on their electronic and optical properties?

1 answer 26 views

How do the properties and behaviors of colloidal particles change with variations in pH and ionic strength of the solvent, and how can we manipulate these factors to control the stability and dispersion of colloidal suspensions for various applications?

asked Feb 22 in Physical Chemistry

1 answer 31 views

How does the presence of specific chemicals in crude oil affect their behavior and impact on the environment during an oil spill?

asked Feb 22 in Environmental Chemistry

1 answer 24 views

How does the presence of reaction intermediates affect the rate of a chemical reaction?

asked Feb 22 in Chemical kinetics

1 answer 28 views

What is the mechanism involved in the preparation of phenylalanine from benzyl chloride and ammonia, and how can it be optimized to increase the yield of the product?

answered Feb 22 in Chemical synthesis

1 answer 30 views

How does the polarity of the solvent affect the rate of a photochemical reaction? Provide experimental evidence and discuss the underlying mechanism behind the observed trend.

asked Feb 22 in PhotoChemistry

1 answer 30 views

What is the most efficient method to prepare a high yield of acetylsalicylic acid from a given amount of salicylic acid and acetic anhydride with minimal impurities?

answered Feb 21 in Chemical synthesis

1 answer 25 views

What is the most efficient method for developing a process for the production of a high value specialty chemical with a yield of at least 85% and a purity of 99% or greater, while minimizing waste and reducing environmental impact?

asked Feb 21 in Chemical engineering

1 answer 30 views

What is the most effective method for the analysis and detection of pesticide residues in food samples and how can this information be used to minimize the impact of these residues on human health?

asked Feb 21 in Environmental Chemistry

1 answer 26 views

What is the effect of changing the concentration of a particular biomaterial on its mechanical and structural properties for tissue engineering applications?

answered Feb 19 in Materials Chemistry

1 answer 24 views

How does the coordination of metal ions in metalloenzymes and metalloproteins affect their enzymatic activity and overall biological function?

answered Feb 19 in Coordination Chemistry

1 answer 43 views

What are the resonance structures of the carbonate ion (CO3²-)?

asked Feb 18 in Chemical bonding

1 answer 36 views

What is the predicted acidity or basicity of sulfuric acid (H2SO4) based on its chemical bonding structure and the elements involved?

asked Feb 14 in Chemical bonding

1 answer 44 views

How can we promote and increase diversity in the chemistry field to ensure that all individuals, regardless of their race or ethnicity, have equal opportunities for success and representation in the scientific community?

answered Feb 14 in Chemical education

1 answer 38 views

What is the difference between primary, secondary, and tertiary amines, and how do their physical and chemical properties differ? Also, explain the various methods of preparation for amines and amides with suitable examples.

answered Feb 14 in Organic Chemistry

1 answer 40 views

What factors affect the pharmacokinetics of drugs in the body, and how can these factors be manipulated to improve drug efficacy and minimize side effects?

answered Feb 14 in Medicinal Chemistry

1 answer 28 views

How do the physical and chemical properties of POPs affect their persistence in the environment, and what measures can be taken to mitigate their impact on ecosystems and human health?

answered Feb 14 in Environmental Chemistry

1 answer 116 views

What type of bonding exists in solid sodium chloride (NaCl)?

asked Feb 13 in Chemical bonding

1 answer 57 views

How can the process of production of industrial gases such as nitrogen, oxygen or hydrogen be optimized for high-yield and low energy consumption?

asked Feb 10 in Chemical engineering

1 answer 36 views

How can the efficiency of polymer-based photovoltaic materials be improved by optimizing their molecular structure and properties?

asked Feb 7 in Polymer Chemistry

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