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What is the optimum amount of hexamethylenediamine to be used in the synthesis of nylon-6,6 from adipic acid to get maximum yield?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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What is the appropriate reaction conditions, including the amount of benzyl chloride and ammonia, temperature, and time, needed to achieve the highest possible yield of phenylalanine in the synthesis from benzyl chloride and ammonia?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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What conditions should be optimized in the process of producing biofuels from algae, to achieve maximum yield and quality of biofuels?

asked Mar 1 in Chemical engineering by TheScientist (138k points)

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How can we modify the synthesis methods for carbon nanotubes to achieve a longer tube length?

asked Mar 1 in Materials Chemistry by TheScientist (138k points)

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How can the synthesis process of nanoparticles be modified to achieve higher yields and better control of the particle size, shape and structure?

asked Mar 1 in Materials Chemistry by TheScientist (138k points)

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How can we modify the synthesis methods for carbon nanotubes to achieve a higher purity and better control of the nanotube structures?

asked Mar 1 in Materials Chemistry by TheScientist (138k points)

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What conditions and reaction parameters are necessary to achieve high yield and purity in the synthesis of polyacrylonitrile from acrylonitrile monomer? How do changes in these parameters affect the polymerization reaction and final product properties?

asked Mar 1 in Chemical synthesis by TheScientist (138k points)

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How can we accurately predict the electronic and magnetic properties of metal-organic frameworks using quantum chemistry methods?

asked Mar 1 in Quantum Chemistry by TheScientist (138k points)

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How to use quantum chemistry methods to accurately predict the electronic and magnetic properties of a selected transition metal complex, considering factors such as ligand field effects, coordination number, oxidation state, and spin state?

asked Mar 1 in Quantum Chemistry by TheScientist (138k points)

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How can we accurately predict the catalytic activity and selectivity of a catalyst using quantum chemical calculations?

asked Mar 1 in Quantum Chemistry by TheScientist (138k points)

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How can we accurately predict the behavior and properties of a particular molecule using computational methods, and what are the potential applications of this information in fields such as drug design and materials science?

asked Mar 1 in Physical Chemistry by TheScientist (138k points)

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How can we accurately measure the concentration of heavy metals in soil samples and determine their potential toxicity to plants and animals in the environment?

asked Mar 1 in Environmental Chemistry by TheScientist (138k points)

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How can we accurately detect and quantify the levels of pesticide residues in various types of food samples and determine their potential health impacts on human consumers?

asked Mar 1 in Environmental Chemistry by TheScientist (138k points)

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How can we accurately calculate the electronic and optical properties of CdSe quantum dots of a specific size and shape using theoretical models in quantum chemistry?

asked Mar 1 in Quantum Chemistry by TheScientist (138k points)

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How can we accurately calculate the band gap energy and optical properties of a semiconductor quantum dot with a radius of 5 nm using density functional theory (DFT)?

asked Mar 1 in Quantum Chemistry by TheScientist (138k points)

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How can we accurately calculate the absorption and emission spectra of a given molecule using quantum chemistry methods, and what factors influence these properties?

asked Mar 1 in Quantum Chemistry by TheScientist (138k points)

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What are the most suitable biomaterials for tissue engineering, and how do their physical and chemical properties affect their performance in vivo?

asked Mar 1 in Materials Chemistry by TheScientist (138k points)

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How does the method of Time-Dependent Density Functional Theory (TDDFT) calculate electronic excited states and optical properties, and how is it different from other methods like Configuration Interaction (CI) and Coupled Cluster (CC)?

asked Mar 1 in Quantum Chemistry by TheScientist (138k points)

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How does the chemical structure of thymine differ from uracil and why is it important in DNA replication and repair?

asked Mar 1 in BioChemistry by TheScientist (138k points)

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Identify the major product formed from the following organic reaction: CH3CH2CH2-Br + KOH → Explain the mechanism of the reaction and predict the product based on the principles of rearrangement reactions in organic chemistry.

asked Mar 1 in Organic Chemistry by TheScientist (138k points)

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