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How can we develop a method for the synthesis of nanoparticles that allows for precise control over their size, shape, and composition to optimize their properties for specific applications in catalysis, optics, or medicine?

asked Feb 12 in Materials Chemistry by TeshaPennell (2.3k points)

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1 answer 41 views

What is the effect of doubling the concentration of reactant A on the initial rate of a second-order reaction having a rate constant of 0.002 M^-1s^-1 at a fixed concentration of reactant B?

asked Feb 13 in Chemical kinetics by RaulGalway75 (2.4k points)

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How do different factors like light intensity, wavelength and presence of catalysts affect the rate and selectivity of a specific photochemical reaction in an organic compound?

asked Feb 12 in PhotoChemistry by DeanneMack98 (1.9k points)

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How do hormones regulate glucose levels in the body and what is the role of insulin and glucagon in this process?

asked Feb 13 in BioChemistry by MonteEsteban (2.6k points)

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How does the regulation of glycolysis differ under aerobic and anaerobic conditions in the human body?

asked Feb 13 in BioChemistry by ReinaldoAlng (2.2k points)

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How do metal ions such as copper, zinc, and iron coordinate with amino acid residues in metalloproteins and enzymes to carry out important biological functions?

asked Feb 13 in Coordination Chemistry by JoliePeters1 (2.5k points)

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How do genetic variations affect the metabolism and efficacy of drugs commonly used to treat cardiovascular diseases?

asked Feb 13 in Medicinal Chemistry by SherrylP401 (2.6k points)

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What is the splitting pattern of the d-orbitals in an octahedral complex and how does it affect the color of the complex? Use crystal field theory to explain the observed color of a transition metal complex with a particular ligand set.

asked Feb 13 in Coordination Chemistry by TraciCoomes1 (2.2k points)

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How do genetic variations affect the response of different individuals to the same drug and how can medicinal chemists use this information to design personalized treatments?

asked Feb 13 in Medicinal Chemistry by Precious09K0 (2.8k points)

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How do the enzymes in the process of glycolysis regulate glucose metabolism, and how do changes in the levels and activity of these enzymes affect the production of ATP and synthesis of glucose in gluconeogenesis?

asked Feb 13 in BioChemistry by ChiKellett4 (2.0k points)

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What is the oxidation state of sulfur in Na2S2O3 (sodium thiosulfate)?

asked Feb 13 in Chemical reactions by BobBar745884 (2.3k points)

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How do different adhesive and coating materials interact with the surface of a substrate at the molecular level, and how can this interaction be optimized to enhance their performance and durability?

asked Feb 12 in Surface Chemistry by Sung68J56969 (2.0k points)

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What is the predicted acidity or basicity of the molecule HCOOH? Provide a detailed explanation and justify your answer using relevant chemical principles.

asked Feb 13 in Chemical bonding by Hanna191905 (2.5k points)

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What is the balanced chemical equation for the redox reaction that occurs between potassium permanganate (KMnO₄) and hydrogen peroxide (H₂O₂) in acidic solution?

asked Feb 13 in Chemical reactions by LeeAlder0448 (2.1k points)

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What is the pH of a 0.1 M solution of HClO4 at 25°C?

asked Feb 13 in Inorganic Chemistry by NicholeBlade (2.3k points)

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How does the interaction between a catalyst and a reactant in a heterogeneous catalytic reaction occur, and what specific mechanisms are involved in this process?

asked Feb 13 in Surface Chemistry by OliveMatthae (2.2k points)

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1 answer 9 views

How do metal ions coordinate with amino acid residues in metalloenzymes and metalloproteins, and how does the coordination affect the function of the enzyme/protein?

asked Feb 13 in Coordination Chemistry by LarrySummerf (2.0k points)

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1 answer 31 views

Using coordination chemistry, explain the color changes observed by adding aqueous ammonia to copper(II) sulfate solution.

asked Feb 13 in Coordination Chemistry by JudithMackni (2.8k points)

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What is the corrosion potential of a zinc electrode in a galvanic couple with a copper electrode, given that the standard reduction potentials of the two half-reactions are +0.34V for Cu²⁺/Cu and -0.76V for Zn²⁺/Zn?

asked Feb 13 in ElectroChemistry by AmyNowland4 (2.7k points)

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How many kJ of heat are released when 2.5 g of octane undergo complete combustion according to the reaction:$$C_8H_{18} + 12.5 O_2 \rightarrow 8 CO_2 + 9 H_2O$$Given: Enthalpy of combustion of octane = -5,470 kJ/mol.

asked Feb 13 in ThermoChemistry by SherrillDail (2.3k points)

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