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How does the toxicity of an existing drug change when different functional groups are added to its chemical structure, and what are the implications of these changes for its use as a medication?

asked Feb 28 in Medicinal Chemistry by TheScientist (138k points)

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What is the temperature dependence of the photochemical reaction rate for a specific photochemical reaction?

asked Feb 28 in PhotoChemistry by TheScientist (138k points)

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What would be the optimum reaction conditions (temperature, pressure, and catalyst concentration) for the synthesis of polyethylene oxide with high molecular weight from ethylene oxide monomer using a basic catalyst?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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What is the correct molar ratio of p-aminobenzoic acid to ethanol in the preparation of benzocaine via chemical synthesis?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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How does the reaction conditions, such as temperature, pressure, and catalyst, affect the yield and properties of polyacrylonitrile synthesized from acrylonitrile monomer?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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How does the temperature affect the rate constant for the gas-phase reaction between hydrogen and chlorine using Monte Carlo simulations?

asked Feb 28 in Computational Chemistry by TheScientist (138k points)

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What is the exact stoichiometric ratio of benzyl chloride and ammonia required for the preparation of 1 mole of phenylalanine, assuming complete conversion and a yield of 100%?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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What is the optimal ratio of salicylic acid to acetic anhydride for the synthesis of aspirin with the highest yield?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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What is the balanced chemical equation for the thermal decomposition of sodium bicarbonate (baking soda)?

asked Feb 28 in Chemical reactions by TheScientist (138k points)

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How does the type and concentration of substrate affect the rate of enzyme catalysis in the hydrolysis of sucrose by sucrase enzyme?

asked Feb 28 in BioChemistry by TheScientist (138k points)

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How does an increase in pressure affect the equilibrium position and reaction direction of the synthesis of ammonia reaction?

asked Feb 28 in Chemical equilibrium by TheScientist (138k points)

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Identify the type of isomerism present in the following pair of compounds: but-1-ene and but-2-ene. Explain the difference in their chemical and physical properties.

asked Feb 28 in Organic Chemistry by TheScientist (138k points)

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What is the calculated lattice energy of NaCl if the distance between the Na+ and Cl- ions in the crystal lattice is 236 pm and the Madelung constant is 1.748?

asked Mar 1 in Inorganic Chemistry by TheScientist (138k points)

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What is the step-wise mechanism for the synthesis of polypropylene from propylene monomer using a Ziegler-Natta catalyst, and how does the process affect the molecular weight and microstructure of the resulting polymer?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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What is the step-wise mechanism for the synthesis of ibuprofen from 2-methylpropylbenzene and carbon dioxide using a cobalt catalyst?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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What is the optimal reaction conditions required for the synthesis of ibuprofen from 2-methylpropylbenzene and carbon dioxide using a carbonylation reaction mechanism?

asked Feb 28 in Chemical synthesis by TheScientist (138k points)

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What is the VSEPR geometry of the molecule SF4?

asked Feb 28 in Chemical bonding by TheScientist (138k points)

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How does the synthesis method of new materials for use in fuel cells affect their performance and stability?

asked Feb 28 in Materials Chemistry by TheScientist (138k points)

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What is the mechanism of synthesis for pyridine derivatives?

asked Feb 28 in Organic Chemistry by TheScientist (138k points)

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How has the understanding of chemical elements evolved throughout history and what impact has this had on modern chemistry?

asked Feb 28 in Chemical education by TheScientist (138k points)

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