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What is the most efficient catalyst for the esterification reaction in the process of producing biofuels from vegetable oils?

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

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What is the most efficient and sustainable system for producing a new line of cosmetic products that reduces waste and incorporates eco-friendly materials, while ensuring product safety and efficacy?

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

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What is the most effective method for synthesizing metal nanoparticles with controlled size and shape, and how does the method affect the properties and applications of the nanoparticles?

asked Feb 21 in Materials Chemistry by CaitlynTulab (1.2k points)

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What is the most effective analytical method to determine pesticide residues in food samples and how do these residues affect human health over a long period of time?

asked Feb 21 in Environmental Chemistry by ShavonneSalc (1.8k points)

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What is the most stable geometric configuration for a [Fe(CN)6]^-4 ion using ab initio calculations, and how does the presence of a co-ligand, such as H2O or NH3, affect the stability and reactivity of the complex?

asked Feb 21 in Computational Chemistry by MavisRevell (1.7k points)

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What is the optimal reaction condition (temperature, concentration, and time) for synthesizing aspirin from salicylic acid and acetic anhydride to achieve the highest yield of the product?

asked Feb 21 in Chemical synthesis by CarleyBenite (1.4k points)

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What are the photochemical properties of the most commonly used photovoltaic materials and how do these properties affect the efficiency of the solar cells they are used in?

asked Feb 21 in PhotoChemistry by MackMurry86 (2.2k points)

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What are the resonance structures of the molecule NO3- and how do the different structures contribute to its stability?

asked Feb 21 in Chemical bonding by FrancescaTor (2.0k points)

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What is the most effective reaction conditions (temperature, pressure, catalyst, etc.) for the synthesis of high molecular weight polyvinyl alcohol from vinyl acetate monomer?

asked Feb 21 in Chemical synthesis by OfeliaDelmon (1.8k points)

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How does the molecular weight of a polymer affect its suitability for use in 3D printing applications?

asked Feb 21 in Materials Chemistry by REHJon915716 (1.9k points)

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What is the most efficient method for synthesizing carbon nanotubes with a high degree of purity and structural uniformity, and how can this method be optimized to produce large quantities of nanotubes for industrial applications?

asked Feb 21 in Materials Chemistry by NoeMorales5 (1.9k points)

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What is the most efficient synthesis method for producing a biodegradable polymer that degrades within a specific timeframe?

asked Feb 21 in Polymer Chemistry by FerneSparks (2.3k points)

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What are the most effective methods for long-term storage of radioactive waste to prevent contamination of the environment, and how can we ensure that these storage methods will remain safe for tens of thousands of years?

asked Feb 21 in Environmental Chemistry by Aimee8754791 (2.0k points)

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What is the most effective chemical treatment method to remediate heavy metal contaminated soil in agricultural lands and what are the potential long-term impacts of these methods on soil health and crop productivity?

asked Feb 21 in Environmental Chemistry by KyleSchlemme (2.1k points)

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What is the isomerism type of the molecule with the chemical formula C4H10O? Determine if it is a structural isomer, a functional isomer, a stereoisomer, or if it is not isomeric at all. Show the reasoning and steps taken to arrive at the conclusion.

asked Feb 21 in Chemical bonding by GrettaRowan (2.2k points)

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How does the molecular weight of a polymer affect its viscosity and shear rate in a melt, and what implications does this have on industrial processes such as injection molding?

asked Feb 21 in Polymer Chemistry by DebFannin623 (1.8k points)

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How does the molecular weight of a polymer affect its rheological properties when it is in a molten state?

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

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What is the most stable type of inorganic compound, and how does its stability relate to its electronic structure? Provide specific examples to support your answer.

asked Feb 21 in Inorganic Chemistry by K29986283214 (2.0k points)

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What is the most effective method for studying the structural and electronic properties of zeolite catalysts using computational chemistry techniques?

asked Feb 21 in Computational Chemistry by HildredU3922 (1.9k points)

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What is the most effective method for detecting and quantifying pesticide residues in food samples to ensure they meet safety standards and protect human health?

asked Feb 21 in Environmental Chemistry by KaraGass5143 (2.3k points)

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