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Design and develop a polymer-based sensor that can detect the presence of ethanol in water up to a concentration of 50 mg/L with high sensitivity and selectivity. Evaluate the performance of the sensor and compare it with other existing ethanol sensors in terms of sensitivity, selectivity, response time, and stability.

asked 2 days ago in Polymer Chemistry by Sandra59H781 (450 points)

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How can chemistry students increase their chances of finding internships and job opportunities in fields that interest them, despite the limited availability of such opportunities?

asked 2 days ago in Chemical education by BrittneyN44 (350 points)

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Determine the zeta potential of silver nanoparticles using the electrophoretic mobility measured at different pH values ranging from 3 to 9.

asked 2 days ago in Surface Chemistry by ArronY739552 (170 points)

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How can chemistry students better prepare themselves for careers in the field, and are there any specific skills or knowledge areas that are often inadequately covered in traditional chemistry curricula?

asked 2 days ago in Chemical education by ElenaElrod34 (390 points)

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How can a student calculate the bond order of the N2 molecule using molecular orbital theory, and what does the calculated bond order indicate about the stability and strength of the nitrogen-nitrogen bond in the molecule?

asked 2 days ago in Chemical bonding by LuciaReitz29 (410 points)

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Determine the equilibrium constant, Kc, for the reaction between iodine and thiosulfate ions in aqueous solution, given the initial concentrations of iodine (0.02 M), thiosulfate (0.05 M), and hydrogen ions (0.1 M). The reaction is as follows:I2(aq) + 2S2O3^2-(aq) + 2H+(aq) ⇌ 2I^-(aq) + S4O6^2-(aq) Assume that the reaction takes place at 25°C and that the reaction quotient Qc has a value of 0.04 at equilibrium.

asked 2 days ago in Chemical equilibrium by KieraSeton95 (530 points)

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Determine the type of inorganic compound formed when Magnesium (Mg) reacts with Oxygen (O2). Is it an ionic, covalent, or metallic compound? Explain your answer.

asked 2 days ago in Inorganic Chemistry by FelipaToombs (730 points)

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Determine the equilibrium constant for the following redox reaction taking place at 25°C: Fe2+(aq) + H2O2(aq) + 2H+(aq) → Fe3+(aq) + 2H2O(l) Given the standard reduction potentials below: Fe3+/Fe2+ = +0.771 V H2O2(aq)/H2O(l) = +1.78 V

asked 2 days ago in Chemical equilibrium by MartinCadwal (450 points)

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How can chemistry concepts such as the properties of solutions be applied in the creation of more effective and environmentally friendly cleaning products for use in households?

asked 2 days ago in Chemical education by EarnestLarue (350 points)

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Determine the equilibrium constant (Kc) for the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), given that at a certain temperature, the initial concentrations of SO2, O2, and SO3 were 0.10 M, 0.20 M, and 0.05 M, respectively, and the reaction was allowed to reach equilibrium.

asked 2 days ago in Chemical thermodynamics by NormandSwaff (290 points)

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Design a system for the production of lubricants in a chemical plant that can produce at least 1000 liters of lubricant per day. The system should also ensure the quality and consistency of the final product and take into account the use of sustainable and environmentally friendly materials and processes.

asked 2 days ago in Chemical engineering by SoilaRicker (490 points)

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How can chemistry students overcome the limited availability of chemistry-related internships and job opportunities in their local area?

asked 2 days ago in Chemical education by SilasXqz4857 (550 points)

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How can chemistry be used to address economic and societal challenges, and what steps can be taken to ensure that students better understand the practical applications of this subject in real-world scenarios?

asked 2 days ago in Chemical education by ZitaAlcantar (490 points)

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How can medicinal chemists design drugs to specifically target the lifecycle of the Zika virus while minimizing the risk of harming healthy cells?

asked 1 day ago in Medicinal Chemistry by BrendaBurche (450 points)

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Determine the enthalpy of hydrolysis for sodium acetate (NaC2H3O2) given that the enthalpy of neutralization for acetic acid (HC2H3O2) and sodium hydroxide (NaOH) is -55.9 kJ/mol and the heat of formation for NaC2H3O2 is -382.7 kJ/mol.

asked 2 days ago in ThermoChemistry by OliverY88898 (370 points)

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How can chemistry educators and institutions address the limited availability of textbooks and resources in low-income communities to improve access to quality education and opportunities for students to pursue careers in chemistry?

asked 2 days ago in Chemical education by LewisBrownel (690 points)

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Determine the electronic structure and binding energy of a ruthenium-based transition metal complex using ab initio calculations, and discuss the potential reactivity of this complex in various chemical environments.

asked 2 days ago in Computational Chemistry by Ursula933014 (410 points)

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How can chemistry educational institutions prioritize the implementation and reinforcement of safety protocols within their laboratories to reduce the incidence of accidents and ensure the safety of students, faculty, and staff?

asked 2 days ago in Chemical education by Katharina355 (470 points)

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Determine the crystal structure of a compound with the empirical formula C6H12O6, given its X-ray diffraction pattern.

asked 2 days ago in Physical Chemistry by SterlingOrne (410 points)

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1 answer 28 views

How can chemistry educators integrate comprehensive safety protocols into their lesson plans to ensure that students are equipped with the knowledge and skills to conduct experiments safely in the laboratory?

asked 2 days ago in Chemical education by FinlayBrasse (370 points)

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