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How can we determine the molecular weight distribution of a polymer using gel permeation chromatography (GPC)?

asked Feb 13 in Polymer Chemistry by MylesG22684 (2.1k points)

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How can we develop a novel and efficient synthetic method for producing quantum dots with controlled size, shape, and surface properties, and how can we characterize these quantum dots to understand their physical and chemical properties?

asked Feb 12 in Materials Chemistry by JacquelynWil (1.7k points)

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How is the process of protein degradation and turnover regulated in cells via proteolytic enzymes? Specifically, how do these enzymes recognize targeted proteins and what are the mechanisms that control their activity?

asked Feb 14 in BioChemistry by AguedaD83620 (2.6k points)

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How can we design drugs that target specific genetic mutations causing genetic disorders such as cystic fibrosis or sickle cell anemia, while avoiding negative side effects on healthy cells and organs?

asked Feb 12 in Medicinal Chemistry by TVMBeulah703 (2.4k points)

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How do different types of pollutants affect the growth and survival of aquatic plants and animals?

asked Feb 12 in Environmental Chemistry by StephaineCro (1.8k points)

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How do the ionic properties of ILs affect their potential use as solvents, electrolytes and catalysts in chemical reactions?

asked Feb 13 in Physical Chemistry by NicholeBlade (2.1k points)

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What is the oxidation state of Chromium in Cr2O3?

asked Feb 13 in ElectroChemistry by BridgetteCul (2.3k points)

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How does the surface chemistry of a metal change during the process of corrosion and what can be done to prevent or slow down the corrosion process through passivation?

asked Feb 13 in Surface Chemistry by DeloresKuhn6 (2.1k 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 DillonLeight (1.6k points)

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How does eutrophication lead to the formation of harmful algal blooms in aquatic ecosystems, and what are the potential negative impacts on water quality and aquatic organisms?

asked Feb 13 in Environmental Chemistry by JaysonPlott5 (1.6k points)

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How does soil contamination with heavy metals affect the growth of agricultural crops?

asked Feb 14 in Environmental Chemistry by Phillipp57B1 (2.3k points)

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How does human excess nutrient inputs contribute to eutrophication in aquatic ecosystems, and what are the potential consequences for water quality and aquatic life?

asked Feb 13 in Environmental Chemistry by RobertoMundy (1.7k points)

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1 answer 69 views

How do different types of sunscreen agents (e.g. organic vs. inorganic) differ in their photochemical properties, and how do these properties affect their effectiveness at protecting against UV radiation?

asked Feb 14 in PhotoChemistry by PhillipPugli (2.1k points)

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How does the structure of lipoproteins affect their function in transporting lipids within the body?

asked Feb 13 in BioChemistry by ClarkFogarty (1.9k points)

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What type of bond is present between sulfur and oxygen in a molecule of sulfur dioxide?

asked Feb 13 in Chemical bonding by AntoinetteCo (1.9k 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 DKGStacy090 (2.4k points)

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1 answer 137 views

What is the mechanism by which enzymes catalyze the hydrolysis of peptide bonds in proteins and what role do biomolecules such as amino acids, chaperones, and co-factors play in this process?

asked Feb 13 in Organic Chemistry by HaydenSpeigh (1.7k points)

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1 answer 139 views

What is the net number of ATP molecules produced through oxidative phosphorylation during the citric acid cycle, assuming the starting molecule is acetyl-CoA?

asked Feb 13 in BioChemistry by August936905 (1.5k points)

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How do metal ions bind to proteins in metalloenzymes, and what is the role of coordination chemistry in understanding this interaction?

asked Feb 13 in Coordination Chemistry by ClintCasiano (1.8k points)

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How can the understanding of the role of chemistry in society and the economy be improved among the general public, and what are some effective methods that can be used to increase awareness and promote interest in the subject?

asked Feb 13 in Chemical education by WilburGuerre (2.3k points)

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