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What is the impact of pH on the zeta potential of colloidal particles and how can it be measured experimentally?

asked Feb 22 in Surface Chemistry by ElisabethWeo (1.9k points)

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Identify the resonance structures of the nitrate ion (NO3-) and draw the resonance hybrid structure.

asked Feb 21 in Chemical bonding by ArlieEnderby (1.9k points)

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What is the effect of oxidation state on the coordination chemistry of lanthanides and actinides? How does the coordination number and geometry of these metals vary with different ligands? Provide examples of each.

asked Feb 22 in Coordination Chemistry by BrittSalas76 (1.8k points)

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What is the optimum Si/Al ratio needed for the catalytic cracking of hydrocarbons in zeolites using computational chemistry techniques?

asked Feb 22 in Computational Chemistry by AgnesXyg5256 (2.0k points)

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What is the most effective protecting group for an alcohol functional group during a reaction with a strong acid catalyst? How does the choice of protecting group affect the yield and selectivity of the reaction?

asked Feb 21 in Organic Chemistry by AlexandraV63 (1.8k points)

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What is the most energy-efficient and cost-effective process for producing a high volume of hydrogen gas with minimal environmental impact for industrial applications like fuel cell technology?

asked Feb 21 in Chemical engineering by KellieDefazi (1.8k points)

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What is the most effective protecting group for a primary alcohol during esterification, and why?

asked Feb 21 in Organic Chemistry by Indira29O642 (1.7k points)

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How does the photochemical properties of chiral molecules affect their interactions with light, and what is the significance of this in the field of photochemistry?

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

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What is the molecular geometry and bond angles of NH3 molecule and how does it affect its polarity and reactivity in chemical reactions?

asked Feb 21 in Quantum Chemistry by Hanna191905 (2.0k points)

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What is the standard enthalpy change of the neutralization reaction between hydrochloric acid and sodium hydroxide, given that the initial concentration of both reactants was 1.0 mol/L and the reaction occurred at 25°C and 1 atm?

asked Feb 21 in Chemical thermodynamics by CarissaNevil (1.8k points)

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What is the most efficient method for synthesizing 2,4-dinitrophenol from phenol and nitric acid with a high yield?

asked Feb 21 in Chemical synthesis by 73351052550 (1.9k points)

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What is the net yield of ATP molecules in the complete oxidation of one molecule of glucose via the citric acid cycle and oxidative phosphorylation? Also, explain the mechanism of ATP synthesis during the process.

asked Feb 21 in BioChemistry by BuckY7205505 (1.7k points)

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1 answer 81 views

What is the most efficient method for preparing phenylalanine from benzyl chloride and ammonia, and how can the purity of the product be ensured?

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

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What is the most effective method to remediate acid mine drainage in a mine site and improve the quality of water impacted by this phenomenon?

asked Feb 21 in Environmental Chemistry by LindseyMorga (2.2k points)

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What is the effect of reactant orientation on the reaction rate of the following chemical reaction: A + B → C?

asked Feb 22 in Chemical kinetics by VictorinaWoz (1.9k points)

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How does the pH of the solution affect the rate of the photochemical reaction between a specific photosensitizer and a particular substrate, and how can we optimize the pH to obtain the maximum reaction rate?

asked Feb 22 in PhotoChemistry by TaneshaDoss0 (1.9k points)

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1 answer 85 views

Identify the functional group present in the molecule C6H5OH and provide a detailed mechanism for the reaction between C6H5OH and HBr.

asked Feb 21 in Organic Chemistry by JadaRivett2 (2.1k points)

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1 answer 75 views

What is the optimum conditions required for the synthesis of polypropylene from propylene monomer using Ziegler-Natta catalyst and how does it affect the properties of the resulting polymer?

asked Feb 22 in Chemical synthesis by TroyPurton77 (1.9k points)

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What is the mechanism for the nucleophilic substitution reaction of 2-bromobutane with sodium hydroxide in ethanol?

asked Feb 21 in Organic Chemistry by KenOlvera57 (2.1k points)

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1 answer 80 views

What is the most efficient polymer-based drug delivery system for delivering chemotherapy agents to solid tumors?

asked Feb 21 in Polymer Chemistry by JanieCorso7 (1.9k points)

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