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Identify all the possible resonance structures for the nitrate ion (NO3-) and illustrate the delocalization of electrons using curved arrows. How do these resonance structures contribute to the stability of the molecule?

asked Feb 21 in Chemical bonding by MindyR870320 (1.6k points)

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1 answer 89 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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What is the overpotential of an electrochemical reaction if the standard potential is 0.8V and the measured potential is 1.2V?

asked Feb 22 in ElectroChemistry by HalleySomers (1.8k points)

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What is the optimal temperature and pressure condition for synthesizing polyethylene from ethylene monomer using Ziegler-Natta catalyst and how does it affect the molecular weight and density of the resulting polymer?

asked Feb 21 in Chemical synthesis by RockyParas48 (2.5k points)

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What is the optimal ratio of diisocyanate to polyol needed for the synthesis of polyurethane with desirable properties such as tensile strength and elasticity?

asked Feb 21 in Chemical synthesis by JerroldCleve (2.0k points)

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What is the rate constant for the one-electron reduction of oxygen in aqueous solution at pH=7, and how does this rate constant change with pH?

asked Feb 21 in Quantum Chemistry by YvonneRausch (2.0k points)

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How do the photochemical properties of the photovoltaic material affect the efficiency of a solar cell?

asked Feb 22 in PhotoChemistry by Marietta86T (2.0k points)

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What is the net yield of ATP, NADH, and FADH2 molecules produced by Citric Acid Cycle and Oxidative Phosphorylation, and how do the electrons from NADH and FADH2 contribute to the production of ATP through the electron transport chain?

asked Feb 21 in BioChemistry by ThaliaSheil (2.0k points)

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What is the most effective polymer characterization technique for determining the molecular weight distribution of a polymeric material and how does it work?

asked Feb 21 in Polymer Chemistry by OnaSchnell25 (1.8k points)

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What are the factors that govern the photochemical properties of lanthanide complexes and how can they be utilized for specific photochemical applications such as solar cells, photocatalysis or photon upconversion?

asked Feb 22 in PhotoChemistry by TomokoSorian (2.2k points)

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How does the number of layers of graphene affect its conductivity and other electronic properties, and what is the ideal number of layers for its use in electronic devices?

asked Feb 21 in Materials Chemistry by Precious09K0 (2.0k points)

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What is the most efficient method for synthesizing 2,4,6-trinitrotoluene from toluene and nitric acid with high yield and purity, while minimizing any potential environmental hazards?

asked Feb 21 in Chemical synthesis by VeolaBenjafi (2.2k points)

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What is the most efficient protecting group strategy for selectively protecting a primary alcohol in the presence of other functional groups during organic synthesis?

asked Feb 21 in Organic Chemistry by LeighBwb6800 (1.9k points)

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What is the optimal simulation time for a Monte Carlo simulation of a liquid crystal system using a specific force field? How does the choice of force field affect the optimal simulation time?

asked Feb 21 in Computational Chemistry by BelenPickard (2.3k points)

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What are the photochemical properties of Eu(III) and Tb(III) complexes with organic ligands under UV and visible light illumination?

asked Feb 22 in PhotoChemistry by VetaPetterd1 (1.7k points)

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1 answer 86 views

How does the pH of a solution affect the rate of a specific photochemical reaction?

asked Feb 22 in PhotoChemistry by KatherinaI21 (1.8k points)

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What is the optimal reaction temperature and catalyst concentration for the synthesis of polyacrylonitrile from acrylonitrile monomer using ammonium persulfate as the initiator?

asked Feb 21 in Chemical synthesis by KathiFatnown (1.6k points)

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1 answer 94 views

What is the most efficient process for the production of biodiesel from vegetable oil using acid catalysis, and how can the quality of the biodiesel be improved by applying different refining techniques?

asked Feb 21 in Chemical engineering by Samira94683 (2.2k points)

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How does the photochemical behavior of dyes and pigments affect their usefulness in applications such as color photography?

asked Feb 22 in PhotoChemistry by MikaylaBoreh (2.4k points)

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How do different synthetic methods and material compositions affect the performance of catalysts used in fuel cells?

asked Feb 22 in Materials Chemistry by MollieBalke (2.3k points)

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