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How does eutrophication lead to the formation of harmful algal blooms, and what chemical compounds are responsible for their toxic effects on aquatic organisms?

asked Feb 13 in Environmental Chemistry by BarbraBelang (2.0k points)

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How can we improve the performance of polymer-based membranes for water treatment, particularly in terms of their selectivity and permeability?

asked Feb 13 in Polymer Chemistry by VictorR1855 (2.0k points)

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How does heavy metal contamination in soil affect the growth and yield of corn crops, and what are the possible remediation techniques to mitigate this impact?

asked Feb 13 in Environmental Chemistry by KreogMoore5 (4.6k points)

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How does energy transfer occur between molecules in a chemical reaction? Use quantum chemistry principles to analyze and predict the molecular dynamics involved in specific chemical reactions.

asked Feb 13 in Quantum Chemistry by JeremyCanady (2.5k points)

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What is the reaction rate constant for the reaction A + B → C if the initial concentration of A is 0.2 M, the initial concentration of B is 0.3 M, the initial rate of reaction is 0.1 M/s, and the reaction is of first order with respect to both A and B?

asked Feb 13 in Chemical reactions by CalvinHornin (2.4k points)

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What is the net ATP yield in glycolysis and gluconeogenesis per molecule of glucose and what are the key enzymes involved in each pathway? How does the regulation of these enzymes differ in glycolysis and gluconeogenesis?

asked Feb 13 in BioChemistry by JodieBaskett (2.7k points)

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How does the doping level and type of impurity affect the electrical conductivity and performance of silicon in semiconductors used in electronic devices?

asked Feb 12 in Materials Chemistry by FrancisGepp5 (2.4k points)

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What hybrid orbitals would you expect for the central atom in a molecule of CH3OH?

asked Feb 13 in Chemical bonding by AlishaGolder (2.3k points)

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In the coordination complex [Fe(H2O)6]2+, if SCN- replaced one of the water molecules, what would be the resulting coordination number and what is the name of the resulting complex?

asked Feb 13 in Coordination Chemistry by AOVFlorrie80 (3.0k 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 RandellGunte (2.7k points)

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What hybrid orbitals are present in the central atom of a molecule of carbon dioxide (CO2)?

asked Feb 13 in Chemical bonding by GabrieleVanw (2.0k 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 ZellaSeamon3 (2.2k points)

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What is the retrosynthetic analysis of ibuprofen and what are the possible starting materials and reaction steps for its synthesis?

asked Feb 13 in Organic Chemistry by EusebiaGilla (1.9k points)

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How do detergents and cleaning agents affect surface tension of water and why is this important in cleaning processes?

asked Feb 12 in Surface Chemistry by ReinaldoAlng (2.2k points)

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How does histone acetylation promote transcriptional activation of a gene in DNA-protein interactions and regulation? Provide a detailed explanation including the chemical mechanisms involved in the process.

asked Feb 13 in BioChemistry by RamiroShockl (2.5k points)

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What is the expected pH of a 0.1M solution of HClO4?

asked Feb 13 in Chemical bonding by CooperPallad (2.2k points)

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What is the effect of high concentration of heavy metals present in landfill leachate on the quality of groundwater and what chemical processes are involved in the transport and eventual fate of these contaminants in the groundwater system?

asked Feb 13 in Environmental Chemistry by ChanteStroh (2.5k points)

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Using retrosynthetic analysis, outline a viable multi-step synthesis of ibuprofen from commercially available starting materials. Include appropriate reagents and conditions.

asked Feb 13 in Organic Chemistry by GeraldoPatte (2.4k points)

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What is the heat of hydration of magnesium sulfate, MgSO4, when 45 grams of the anhydrous salt is dissolved in 250 mL of water? The molar heat of hydration of MgSO4 is -138.5 kJ/mol.

asked Feb 13 in ThermoChemistry by Latonya89F54 (2.3k points)

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How many ATP molecules are produced during glycolysis and what is the net gain of ATP molecules in glycolysis?

asked Feb 13 in BioChemistry by EdytheEwk100 (2.5k points)

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