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What is the impact of pH on the surface charge of a biomembrane and how does this affect the interaction of the biomembrane with other molecules?

asked Feb 22 in Surface Chemistry by Katja04J6453 (1.8k points)

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1 answer 86 views

How does the pore geometry of zeolite structures affect the diffusion rates of different molecules (such as water, methane, and oxygen) through the material, as predicted by computational modeling?

asked Feb 22 in Computational Chemistry by NickEverett (1.6k points)

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What are the optimal reaction conditions for the production of methanol from syngas using a ZSM-5 zeolite catalyst, and how do these conditions affect the selectivity and yield of methanol?

asked Feb 22 in Computational Chemistry by TraciCoomes1 (1.9k points)

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How does the orientation of reactant molecules affect the rate of a chemical reaction and what experimental methods can be used to investigate this effect?

asked Feb 22 in Chemical kinetics by JannaWales93 (2.0k points)

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1 answer 82 views

How does the presence of a reaction intermediate affect the rate of a chemical reaction, and can this effect be quantified using experimental techniques?

asked Feb 22 in Chemical kinetics by WandaBalsill (1.3k points)

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What are the factors that influence the photo-induced electron transfer process in transition metal complexes?

asked Feb 22 in PhotoChemistry by JadaMeece33 (1.6k points)

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What are the photochemical properties of a cobalt-based coordination compound, [Co(en)2Cl2]Cl, and how do they differ from those of a similar iron-based coordination compound, [Fe(en)2Cl2]Cl, under the same light conditions?

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

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What is the optimal reaction conditions required for the synthesis of polyethylene oxide from ethylene oxide monomer with the highest molecular weight and the highest yield?

asked Feb 21 in Chemical synthesis by QAMSibyl4514 (2.0k points)

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1 answer 102 views

What type of reactor design would be best suited for the production of hydrogen gas via steam reforming of natural gas, and what are the specific design parameters that need to be optimized to achieve maximum yield and efficiency of the reaction?

asked Feb 21 in Chemical engineering by EllisDonahue (2.6k points)

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1 answer 80 views

How does the presence of metal ions in a complex affect its photochemical properties? Investigate the effect of different metal ions on the ability of the complex to absorb light and undergo photochemical reactions.

asked Feb 22 in PhotoChemistry by TroyWitcher8 (2.1k points)

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1 answer 87 views

How does the polarity and surface charge of a solid surface affect the adsorption of proteins?

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

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What is the optimal reaction conditions (temperature, pressure, catalyst type and concentration) for synthesizing polyvinyl alcohol from vinyl acetate monomer, and how do these conditions affect the yield and molecular weight of the resulting polymer?

asked Feb 21 in Chemical synthesis by ElviaU45322 (2.2k points)

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How does the presence of different types of RNA affect the accuracy and efficiency of translation during protein synthesis? Provide examples and explain the mechanisms involved.

asked Feb 22 in BioChemistry by ChristopherF (2.0k points)

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How does the pH of a colloidal solution affect the stability and coagulation of the colloids? Investigate and explain the behavior of different types of colloids under varying pH conditions.

asked Feb 22 in Surface Chemistry by LillianaY16 (1.7k points)

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1 answer 87 views

What is the pKa value of the compound benzene sulfonic acid and how does it affect the acidity of the molecule in different solvents?

asked Feb 22 in Organic Chemistry by KaitlynRodri (2.0k points)

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1 answer 92 views

How does the photochemical behavior of transition metal complexes change when different ligands are attached to them? Provide specific examples and explore the underlying mechanisms behind these changes.

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

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1 answer 87 views

What is the pKa value of acetic acid, and what is the pH of a 0.1 M solution of acetic acid? Also, what is the percent ionization of acetic acid in this solution? (Assume temperature to be 25°C and the ionization of acetic acid to be a one-step process.)

asked Feb 22 in Organic Chemistry by IsobelMaggar (1.8k points)

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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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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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1 answer 107 views

What are the most challenging aspects of understanding the periodic table and chemical elements for high school students, and what strategies can be used to overcome these difficulties?

asked Feb 21 in Chemical education by JuliannSfd66 (2.0k points)

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