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What is the optimal ratio of toluene to nitric acid to obtain the highest yield of 2,4,6-trinitrotoluene during the preparation process?

asked Feb 21 in Chemical synthesis by HiramFarrell (1.7k points)

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1 answer 99 views

What are the most environmentally friendly and sustainable polymer-based packaging materials that can be used as alternatives to traditional plastics and how can their production processes be optimized to minimize their environmental impact?

asked Feb 21 in Polymer Chemistry by ClarkFogarty (1.9k points)

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What is the most effective protecting group for amino groups in organic synthesis and why? Provide examples of its use in peptide synthesis.

asked Feb 21 in Organic Chemistry by SaraNis63941 (1.4k points)

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What is the optimal ratio of salicylic acid and acetic anhydride needed to produce a maximum yield of aspirin in a chemical synthesis reaction, and how does the temperature and reaction time affect the yield of aspirin in this synthesis reaction?

asked Feb 21 in Chemical synthesis by Hulda4183859 (2.2k points)

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1 answer 85 views

How does the photochemical reaction in a photovoltaic cell work to generate electricity, and what are the specific properties of the materials used that make them efficient in converting sunlight to electricity?

asked Feb 22 in PhotoChemistry by CierraSpicer (1.4k points)

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How do the photochemical properties of lanthanide complexes vary with changes in their ligand environments?

asked Feb 22 in PhotoChemistry by PeggyBednall (1.9k points)

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What is the net ionic equation of the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)?

asked Feb 21 in Chemical reactions by JedShackell5 (1.8k points)

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What is the overpotential required for the oxidation of silver ions to silver metal at a silver electrode if the reduction potential for the reaction is +0.80 V and the applied voltage is +1.00 V?

asked Feb 22 in ElectroChemistry by RenaCastella (1.7k points)

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1 answer 95 views

What is the optimal temperature and concentration of nitric acid required for the successful preparation of 2,4-dinitrophenol from phenol via nitration? How does changing these parameters affect the yield and purity of the final product?

asked Feb 21 in Chemical synthesis by HarleyOreill (1.9k points)

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How does the pH level affect the rate of the photochemical reaction for the process of hydrogen peroxide degradation under UV light?

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

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What is the optimal ratio of diisocyanate and polyol for synthesizing polyurethane with the maximum mechanical strength and thermal stability?

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

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1 answer 90 views

How does the pharmacodynamics of an analgesic drug change in the presence of an enzyme inhibitor?

asked Feb 22 in Medicinal Chemistry by AmandaRku513 (1.8k points)

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What is the impact of reactant orientation on the rate of reaction between substance A and substance B in the presence of a catalyst? How does this impact vary with changes in temperature and concentration of reactants?

asked Feb 22 in Chemical kinetics by ChasityLearm (2.1k points)

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What is the correct molar ratio of phenol to nitric acid for the preparation of 2,4-dinitrophenol from phenol and nitric acid using sulfuric acid as a catalyst?

asked Feb 22 in Chemical synthesis by DorothyHendo (2.2k points)

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What is the optimal reaction time and temperature for the preparation of 2,4-dinitrobenzoic acid from benzoic acid and nitric acid to achieve the highest yield and purity?

asked Feb 22 in Chemical synthesis by DelilahKyte3 (1.8k points)

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1 answer 85 views

How do the photochemical properties of the fluorescent dye, Rhodamine B, change when exposed to different wavelengths of light and how can this be applied in the development of fluorescent imaging techniques?

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

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1 answer 90 views

What is the effect of pH on the surface charge and hydrophobicity of biomembranes, and how does this affect the interactions between membrane-bound proteins and ligands?

asked Feb 22 in Surface Chemistry by Sung68J56969 (2.2k points)

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1 answer 84 views

What is the mechanism behind the photo-induced isomerization of [Ru(bpy)3]2+ (tris(bipyridine)ruthenium(II)) and why does the process occur rapidly in solution but slowly in solid state?

asked Feb 22 in Quantum Chemistry by RobertoLafla (2.1k points)

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1 answer 86 views

How does the photochemical property of phosphorescent materials affect their efficiency in converting light energy to chemical energy?

asked Feb 22 in PhotoChemistry by AnastasiaMad (2.3k points)

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1 answer 90 views

What is the pH of a solution if the pH meter reading is 3.7?

asked Feb 22 in Analytical Chemistry by OliveMatthae (2.1k points)

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