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What is the best method to remediate soil contaminated with heavy metals such as lead, chromium, and cadmium, to reduce their impact on agricultural crops?

asked Feb 17 in Environmental Chemistry by BrentonMcQua (1.7k points)

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What is the best method for synthesizing high molecular weight polyvinylpyrrolidone from vinylpyrrolidone monomer?

asked Feb 17 in Chemical synthesis by MyrnaFaerber (1.8k points)

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What is the best method for preparing 2-chloro-4-nitroaniline from aniline and chlorine gas, and what are the optimal reaction conditions (temperature, pressure, reaction time, etc.) to obtain the highest yield of the desired product?

asked Feb 17 in Chemical synthesis by MindyR870320 (1.6k points)

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What is the best catalyst and reaction conditions for the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer, in terms of high yield and low impurities?

asked Feb 17 in Chemical synthesis by JewelSchaffe (1.8k points)

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Which analytical method is the best for detecting and quantifying multiple pesticide residues in food samples, and how can the data obtained be used to assess the potential health risks associated with consuming these foods?

asked Feb 17 in Environmental Chemistry by TereseMandal (1.7k points)

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How does the behavior of a polymer system change as the concentration of solvent molecules is varied using Monte Carlo simulations?

asked Feb 17 in Computational Chemistry by JanisButterf (2.1k points)

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What is the mechanism of the Beckmann rearrangement reaction, and what factors influence its rate and selectivity? Provide a detailed explanation and examples of how this reaction can be applied in organic synthesis.

asked Feb 17 in Organic Chemistry by EleanoreOliv (1.9k points)

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What is the mechanism of the Beckmann rearrangement reaction and how does it convert a ketoxime to an amide? Illustrate with the help of a suitable example.

asked Feb 17 in Organic Chemistry by CharlesAlcal (2.0k points)

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How does the band structure of a topological material affect its electronic and magnetic properties, and what quantum chemistry methods can be used to accurately predict these properties?

asked Feb 17 in Quantum Chemistry by DorieEverson (2.0k points)

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How does the number of carbon atoms affect the band gap of graphene and other 2D materials, and how can this be calculated using quantum chemistry calculations?

asked Feb 17 in Quantum Chemistry by MyrnaFaerber (1.8k points)

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How does the band gap of a semiconductor material change when doping with impurities such as boron or phosphorus, as predicted by density functional theory calculations?

asked Feb 17 in Computational Chemistry by JeroldSterne (1.9k points)

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How does the band gap of a material vary with respect to the change in lattice parameter using density functional theory (DFT) calculations?

asked Feb 17 in Computational Chemistry by EmanuelWaldo (2.0k points)

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How does the band gap of a material change when the size of the unit cell is varied using density functional theory calculations?

asked Feb 17 in Computational Chemistry by TawannaPigot (1.5k points)

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What is the balanced redox reaction for the combustion of methane (CH4) in the presence of oxygen (O2) to form carbon dioxide (CO2) and water (H2O)?

asked Feb 17 in Chemical reactions by CharleyPrior (1.8k points)

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What is the balanced half equation for the reduction of dichromate ion (Cr2O7 2-) to chromium (III) ion (Cr3+) in an acidic solution?

asked Feb 17 in Chemical reactions by MarilouBinga (2.4k points)

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What is the balanced equation for the synthesis reaction between magnesium and oxygen?

asked Feb 17 in Chemical reactions by TysonNettles (1.5k points)

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What is the balanced equation for the synthesis of aspirin from salicylic acid and acetic anhydride?

asked Feb 17 in Chemical synthesis by EdwinLindell (1.9k points)

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What is the balanced equation for the single replacement reaction between magnesium (Mg) and hydrochloric acid (HCl), and what are the products of the reaction?

asked Feb 17 in Chemical reactions by ZakOleary170 (1.8k points)

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What is the effect of increasing the pH of a redox reaction involving Fe2+ and MnO4- on the equilibrium position? Use the given balanced equation Fe2+ + MnO4- → Fe3+ + Mn2+ and explain your answer using Le Chatelier's Principle.

asked Feb 17 in Chemical equilibrium by DebFannin623 (1.8k points)

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What is the balanced equation for the redox reaction between silver nitrate (AgNO3) and copper metal (Cu)?

asked Feb 17 in Chemical reactions by JoycelynFran (2.7k points)

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