Recent questions in Chemistry

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How does the orientation of magnetic fields affect the electronic properties of topological materials such as graphene?

asked Feb 22 in Quantum Chemistry by ClevelandHaw (2.4k points)

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1 answer 28 views

How does the orientation and arrangement of atoms in a molecule affect its electrical conductivity and charge transport properties in nanoscale systems, and how can this be studied using quantum transport models?

asked Feb 22 in Quantum Chemistry by BrianneWoodw (2.2k points)

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1 answer 32 views

What is the effect of the order of the reactants in a chemical reaction on the reaction rate? Provide an experimental method to investigate this relationship for a reaction with two reactants.

asked Feb 22 in Chemical kinetics by SheilaSchaef (1.8k points)

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1 answer 31 views

What is the order of reaction with respect to reactant A if the rate of reaction doubles when the concentration of A is doubled, while the concentration of reactant B remains constant?

asked Feb 22 in Chemical kinetics by HermelindaYm (2.3k points)

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1 answer 42 views

How does the order of nucleotides in DNA determine the sequence of amino acids in a protein during RNA transcription and translation?

asked Feb 22 in BioChemistry by AnjaAbt20068 (2.0k points)

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1 answer 37 views

What is the order of the reaction between A and B, if the rate of reaction is found to be tripled when the concentration of A is doubled, and the concentration of B is kept constant?

asked Feb 22 in Chemical kinetics by AmeliaCuella (1.8k points)

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1 answer 37 views

What is the order of the reaction if the rate constant of a chemical reaction changes by a factor of 100 when the concentration of reactant is increased by 10 times?

asked Feb 22 in Physical Chemistry by LuisHuntsman (1.6k points)

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1 answer 32 views

What is the optimum wavelength range for sunscreen agents to be effective in protecting the skin from UV radiation?

asked Feb 22 in PhotoChemistry by DeloresQ3217 (1.6k points)

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1 answer 43 views

What is the optimum temperature range required for the production of a specific cosmetic product and design a system that can maintain this temperature range for the entirety of the production process?

asked Feb 22 in Chemical engineering by MackMurry86 (2.2k points)

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1 answer 23 views

What is the optimum temperature and reaction time required to synthesize high molecular weight polyacrylonitrile from acrylonitrile monomer using a free radical polymerization method?

asked Feb 22 in Chemical synthesis by ChristenaGra (1.6k points)

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What is the optimum temperature and ratio of reactants needed to achieve maximum yield in the synthesis of polyacrylonitrile from acrylonitrile monomer using free-radical polymerization?

asked Feb 22 in Chemical synthesis by NovellaDegot (1.6k points)

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1 answer 29 views

What is the optimum temperature and pressure required for the synthesis of polyethylene from ethylene monomer using Ziegler-Natta catalysis?

asked Feb 22 in Chemical synthesis by EmileR968610 (2.0k points)

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1 answer 32 views

What is the optimum temperature and pressure for the production of polyethylene oxide from the monomer ethylene oxide using a catalytic reactor? And what are the key properties of the resulting polymer, such as molecular weight and functionality?

asked Feb 22 in Chemical synthesis by MarcyLowrie (2.3k points)

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1 answer 24 views

What is the optimum temperature and pressure conditions required for the efficient synthesis of polyvinyl chloride from vinyl chloride monomer?

asked Feb 22 in Chemical synthesis by Milagros70T7 (1.5k points)

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1 answer 36 views

What is the optimum temperature and concentration of initiator for the synthesis of high molecular weight polyacrylonitrile from acrylonitrile monomer, and what effect does changing these parameters have on the yield and properties of the polymer?

asked Feb 22 in Chemical synthesis by SuzannaRayfo (1.8k points)

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1 answer 25 views

What is the optimum Si/Al ratio needed for the catalytic cracking of hydrocarbons in zeolites using computational chemistry techniques?

asked Feb 22 in Computational Chemistry by AgnesXyg5256 (2.0k points)

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1 answer 26 views

What is the optimum reaction time and temperature for the synthesis of polyethylene terephthalate from terephthalic acid and ethylene glycol, and how do these parameters affect the yield and molecular weight of the resulting polymer?

asked Feb 22 in Chemical synthesis by KarolinBalse (1.5k points)

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1 answer 34 views

What is the optimum reaction time and temperature for the synthesis of polyethylene oxide from ethylene oxide monomer, and how does altering these parameters affect the molecular weight and properties of the resulting polymer?

asked Feb 22 in Chemical synthesis by JamalUsn1353 (1.6k points)

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1 answer 33 views

What is the optimum reaction temperature for the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer using different catalysts and what effect do these catalysts have on the reaction?

asked Feb 22 in Chemical synthesis by ClairWaite7 (1.8k points)

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1 answer 29 views

What is the optimum reaction temperature for the synthesis of polyvinyl chloride (PVC) from vinyl chloride monomer, and how does this temperature affect the yield and properties of the final PVC product?

asked Feb 22 in Chemical synthesis by JodieGartrel (1.8k points)

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