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What is the impact of pH on the measured zeta potential of a metal oxide particle, and how can this be utilized for controlling the stability of colloidal suspensions in different pH conditions?

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

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1 answer 76 views

What is the predicted molecular geometry of a molecule with a central atom that is surrounded by two bonding pairs and two lone pairs of electrons?

asked Feb 22 in Chemical bonding by Marilynn3793 (2.1k points)

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How does the particle size and shape of nanomaterials affect their catalytic activity in specific chemical reactions?

asked Feb 22 in Materials Chemistry by ZakOleary170 (1.8k points)

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What is the optimal reaction conditions and catalyst for the synthesis of high molecular weight polypropylene from propylene monomer, and how does altering the reaction conditions affect the properties of the final polymer?

asked Feb 21 in Chemical synthesis by ChiKellett4 (1.5k points)

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How does the photochemical reaction rate of a given substance change with an increase in temperature, and what is the relationship between temperature and activation energy of the reaction?

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

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What is the step-wise mechanism for the preparation of 2-chloro-4-nitroaniline from aniline and chlorine gas via the intermediate formation of 2,4-dichloronitrobenzene? Include the structures of all intermediate and final products.

asked Feb 22 in Chemical synthesis by Marlene31P52 (2.5k points)

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What is the optimal temperature and pressure needed for the efficient synthesis of polyethylene oxide from ethylene oxide monomer, and how do these parameters influence the yield and molecular weight of the resulting polymer?

asked Feb 22 in Chemical synthesis by Fawn72203404 (2.2k points)

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What are the resonance structures of the molecule nitrate ion (NO3-)?

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

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What is the mechanism of the photochemical reaction of benzene with chlorine, and how does the substitution pattern of the resulting chlorobenzene differ from that of a typical electrophilic aromatic substitution?

asked Feb 22 in PhotoChemistry by LaunaRxf8120 (1.7k points)

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What is the mechanism for the photochemical reaction of benzene and chlorine, and how does the mechanism differ when compared to the photochemical reaction of benzene and bromine?

asked Feb 22 in PhotoChemistry by NataliaCaple (2.1k points)

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What is the balanced chemical equation for the preparation of 2,4,6-trinitrotoluene from toluene and nitric acid? Also, calculate the theoretical yield of 2,4,6-trinitrotoluene if 50 grams of toluene and excess nitric acid are used in the reaction.

asked Feb 22 in Chemical synthesis by JudithMackni (2.3k points)

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What is the most efficient synthesis method for producing biodegradable polymers with controlled degradation rates and desirable physical properties suitable for biomedical applications like drug delivery systems?

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

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How does the prediction of electronic and magnetic properties of topological materials using quantum chemistry aid in the design and development of advanced electronic devices with improved performance and efficiency?

asked Feb 22 in Quantum Chemistry by JoliePeters1 (2.3k points)

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How does the prediction of the electronic and magnetic properties of topological materials contribute to the development of more efficient and advanced electronic devices?

asked Feb 22 in Quantum Chemistry by LewisR691771 (1.8k points)

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What is the effect of temperature and polarity on the orientational ordering of nematic liquid crystals?

asked Feb 22 in Physical Chemistry by CharmainRose (2.2k points)

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What are the factors that influence the photochemical properties of transition metal complexes and how do these properties affect the application of these complexes in various fields such as catalysis and solar energy conversion?

asked Feb 22 in PhotoChemistry by KeithAnthon1 (1.9k points)

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What is the optimal reaction temperature and time required for the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine to achieve maximum yield and purity?

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

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What is the optimal ratio of acetic anhydride to salicylic acid for the highest yield of acetylsalicylic acid during the synthesis process?

asked Feb 21 in Chemical synthesis by MoseSiler86 (1.8k points)

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How does the number of electrons transferred affect the potential difference in a redox reaction?

asked Feb 21 in Quantum Chemistry by LarhondaKeel (1.6k points)

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How do the photochemical properties of photosensitive materials affect the quality and longevity of photographic prints and negatives?

asked Feb 22 in PhotoChemistry by AlfredLamb10 (2.1k points)

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