Recent activity by RichieRedric

1 answer 23 views

What is the optimum temperature and concentration of nitric acid needed to achieve a high yield in the preparation of 2,4,6-trinitrotoluene from toluene?

asked Feb 22 in Chemical synthesis

1 answer 56 views

How does the pore size and shape of zeolites affect their catalytic activity in the cracking of hydrocarbons? Use computational methods to predict the optimal pore size and shape for maximizing catalytic activity for a particular hydrocarbon.

answered Feb 22 in Computational Chemistry

1 answer 28 views

What are the optimal reaction conditions (temperature, time, and stoichiometry) required for the synthesis of polyurethane from diisocyanate and polyol to achieve the desired mechanical properties and maximum yield?

answered Feb 21 in Chemical synthesis

1 answer 26 views

What is the optimal reaction conditions, including temperature and molar ratio, for the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine to maximize yield and minimize side reactions?

asked Feb 21 in Chemical synthesis

1 answer 26 views

What is the mechanism responsible for the phosphorescent properties of materials and how can this property be optimized for use in practical applications such as organic light-emitting diodes (OLEDs)?

asked Feb 20 in PhotoChemistry

0 answers 23 views

What is the magnetic moment of [Fe(H2O)6]+3?

asked Feb 20 in Inorganic Chemistry

1 answer 45 views

How does the concentration of heavy metals in soil affect the growth and quality of crops?

asked Feb 19 in Environmental Chemistry

1 answer 35 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?

asked Feb 17 in Chemical synthesis

1 answer 33 views

What are the photochemical properties and mechanisms behind the effectiveness of various sunscreen agents, and how do these properties prevent UV radiation from damaging the skin?

asked Feb 14 in PhotoChemistry

1 answer 59 views

How does the type of molecular structure of a liquid crystal affect its properties and behavior? Specifically, compare and contrast the properties and behavior of nematic and smectic liquid crystals.

answered Feb 13 in Physical Chemistry

1 answer 47 views

What is the complete mechanism of keto-enol tautomerism for the compound cyclohexanone, including the intermediate species and the transition state involved?

asked Feb 13 in Organic Chemistry

1 answer 58 views

How can we increase diversity in the chemistry field to ensure that a wide range of perspectives and experiences are represented, and encourage innovation in the industry?

asked Feb 13 in Chemical education

1 answer 72 views

How does the type of catalyst and the surface area of the catalyst affect the rate of a specific reaction in heterogeneous catalysis?

answered Feb 13 in Surface Chemistry

1 answer 53 views

How can we improve the performance of polymer-based membranes for water treatment, particularly in terms of their selectivity and permeability?

answered Feb 13 in Polymer Chemistry

1 answer 55 views

How does the Crystal Field Theory explain the colors observed in coordination compounds? Provide specific examples and explain the relevant factors that influence the color of each compound.

answered Feb 12 in Coordination Chemistry

1 answer 63 views

How can the synthesis of biodegradable polymers be optimized to improve their biodegradability while maintaining their mechanical properties for practical applications?

answered Feb 11 in Polymer Chemistry

1 answer 54 views

How can the process for the production of industrial gases such as hydrogen, oxygen, and nitrogen be optimized for maximum efficiency and yield in a chemical manufacturing plant?

asked Feb 10 in Chemical engineering

1 answer 41 views

How can the mechanical properties (tensile strength, fracture toughness, etc.) of polymer-based composites for aerospace applications be improved without compromising their lightweight characteristic?

answered Feb 10 in Polymer Chemistry

1 answer 42 views

How can the incorporation of nanoparticles to polymer-based composites enhance their mechanical and thermal properties for their use in aerospace applications?

answered Feb 7 in Polymer Chemistry

1 answer 32 views

How can the design of drugs targeting specific types of bacteria be improved to increase efficacy while minimizing negative side effects on the host?

answered Feb 7 in Medicinal Chemistry

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