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How does the excessive use of fertilizers contribute to eutrophication in aquatic ecosystems and what are the potential consequences for the environment and human health?

asked Feb 13 in Environmental Chemistry by DanielleVanw (2.3k points)

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What are the hybrid orbital types present in the molecule of ethene (C2H4)? Show your work and provide a brief explanation for each hybrid orbital.

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

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What is the difference between E1 and E2 mechanisms in elimination reactions? Provide an example of each mechanism and discuss the factors that influence the rate of each reaction.

asked Feb 13 in Organic Chemistry by TereseAbner (1.8k points)

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What specific photochemical properties of dyes and pigments make them suitable for use in solar cells and how can these properties be optimized to increase the efficiency of the solar cell?

asked Feb 13 in PhotoChemistry by ClementMackr (2.5k points)

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What is the standard electrode potential of a copper electrode if it is combined with a zinc electrode in a galvanic cell, and the measured cell potential is 1.10 V at 298 K? Given: E°(Zn²⁺/Zn) = -0.76 V and E°(Cu²⁺/Cu) = 0.34 V.

asked Feb 13 in Physical Chemistry by BradConger9 (1.8k points)

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How does the increased level of nutrients in water bodies, particularly nitrogen and phosphorus, lead to eutrophication, and what are the various effects of eutrophication on the aquatic ecosystem?

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

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How many ATP molecules are produced during one cycle of the citric acid cycle and oxidative phosphorylation?

asked Feb 13 in BioChemistry by Lula12H24597 (2.6k points)

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What is the effect of enzyme inhibition on the flux of a metabolic pathway, and how is this affected by the concentration of the inhibitor and the substrate?

asked Feb 13 in BioChemistry by VenusU65079 (1.8k points)

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What are the key molecular targets for developing new treatments for hypertension and what are the different strategies that medicinal chemists can use to design effective drugs that target these molecular targets?

asked Feb 13 in Medicinal Chemistry by Leif76792351 (2.0k points)

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How does the hormone insulin regulate glucose uptake in cells, and what biochemical signals and pathways are involved in this process?

asked Feb 13 in BioChemistry by NamSampson2 (1.8k points)

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What are the differences between gel permeation chromatography and size exclusion chromatography, and how can these techniques be used to characterize polymers with different molecular weights and distributions?

asked Feb 13 in Polymer Chemistry by TimmyCapra21 (2.1k points)

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How have environmental regulations, specifically in the area of hazardous waste management, impacted the reduction of pollutants and their effects on the environment?

asked Feb 13 in Environmental Chemistry by AnjaAbt20068 (2.0k points)

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How can we design drugs to selectively target specific metabolic pathways in the body, such as those involved in glucose regulation, and minimize off-target effects that could potentially harm the patient?

asked Feb 12 in Medicinal Chemistry by ElenaBranco0 (2.0k points)

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How can we develop a novel drug delivery system for the treatment of respiratory diseases using targeted therapies?

asked Feb 12 in Medicinal Chemistry by AguedaD83620 (2.6k points)

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What is the diffusion coefficient of a gas with a molar mass of 16 g/mol in air at 25°C, assuming the gas follows Graham's law?

asked Feb 13 in Physical Chemistry by NoeX25113136 (1.9k points)

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How will increasing the pressure in a closed system at equilibrium with a gaseous reactant and product affect the equilibrium position? Provide a detailed explanation with a balanced chemical equation and experimental evidence to support your answer.

asked Feb 13 in Chemical equilibrium by YaniraRhh59 (1.9k points)

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What is the role of DNA polymerase III in the replication of DNA, and how does it proofread and repair errors in the newly synthesized strand?

asked Feb 12 in BioChemistry by EtsukoCantwe (1.8k points)

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How can we design a process for the production of biofuels using renewable resources, that is efficient and economically viable, while minimizing environmental impacts and maximizing yields?

asked Feb 12 in Chemical engineering by MilfordFlore (2.0k points)

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What conditions are required for the successful synthesis of high molecular weight polypropylene using Ziegler-Natta catalysts from propylene monomer?

asked Feb 13 in Chemical synthesis by CharlesAlcal (2.0k points)

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Using computational chemistry, how can we design an enzyme that can efficiently catalyze the conversion of a specific substrate into a desired product?

asked Feb 12 in Computational Chemistry by AugustBranno (2.5k points)

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