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Here is a precise question for the student to solve:A chemical reaction occurs in a closed system that results in a change in temperature, but without any change in volume. Using non-equilibrium thermodynamics and irreversible processes, determine the amount of heat absorbed or released by the reaction if the entropy change is known to be 25 J/K.

asked Feb 4 in Physical Chemistry by MarielScully (1.4k points)

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Determine the oxidation state of the following elements in the compound potassium permanganate (KMnO4): a) Potassium b) Manganese c) Oxygen

asked Feb 4 in ElectroChemistry by Annett65L392 (2.1k points)

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How can chemistry students gain practical experience and develop their skills in a field with limited availability of chemistry-related internships and job opportunities?

asked Feb 5 in Chemical education by BrandieB8434 (2.2k points)

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Here's a question for the chemistry student to solve related to inadequate preparation for chemistry-related careers:How can universities better prepare chemistry students for careers in industry, beyond traditional academia-focused coursework, to ensure they have the necessary technical and transferable skills for success in their field?

asked Feb 4 in Chemical education by ElvaL9406057 (2.3k points)

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How can chemistry students who have limited access to extracurricular activities related to chemistry supplement their education to enhance their understanding of the subject?

asked Feb 5 in Chemical education by CesarCollado (1.7k points)

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Determine the standard enthalpy change of the precipitation reaction between aqueous solutions of copper (II) sulfate and calcium hydroxide, given that the reaction produces copper (II) hydroxide, solid calcium sulfate and water as the products. The initial concentrations of the solutions are 0.1 M for copper (II) sulfate and 0.05 M for calcium hydroxide, and the reaction takes place at constant pressure and temperature of 25°C.

asked Feb 4 in Chemical thermodynamics by YvetteLink0 (2.0k points)

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How can a chemistry student overcome the difficulty in understanding complex chemical concepts, and what strategies can be used to approach such concepts more effectively?

asked Feb 4 in Chemical education by DominickArel (1.2k points)

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Determine the empirical formula of a compound containing 36.5% sodium, 38.1% chlorine, and 25.4% oxygen by mass.

asked Feb 4 in Inorganic Chemistry by NoeMorales5 (1.9k points)

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Here's a precise problem for a chemistry student to solve in Organic Synthesis and Retrosynthesis:Develop a retrosynthesis approach to synthesize 2-methyl-1-phenylpropan-1-ol, starting from benzene, propene, and any other necessary reagents, explaining each step in the backward reaction sequence.

asked Feb 4 in Organic Chemistry by GFXFlorida24 (1.5k points)

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1 answer 43 views

How can chemistry educators make the subject more engaging and interesting for students to increase their interest in the subject?

asked Feb 4 in Chemical education by AlisiaBarwel (2.1k points)

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1 answer 41 views

How can chemistry students effectively learn and understand chemical concepts when there are limited opportunities for hands-on experimentation due to factors such as cost, safety concerns, and accessibility?

asked Feb 4 in Chemical education by MorrisMcGahe (1.7k points)

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How can chemistry students overcome the challenge of limited availability of chemistry-related internships and job opportunities in today's market?

asked Feb 5 in Chemical education by MervinBowden (2.1k points)

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Determine the standard enthalpy change for the dissolution of 5.00 grams of magnesium chloride in water, given that the molar mass of MgCl2 is 95.21 g/mol and the standard enthalpy change of formation for magnesium chloride is -641.3 kJ/mol.

asked Feb 4 in Chemical thermodynamics by EdithLindt35 (1.6k points)

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Design a polymerization reaction to produce a high-density polyethylene (HDPE) with a molecular weight of 1 million grams per mole using ethylene as the monomer and a Ziegler-Natta catalyst system. Calculate the theoretical yield of the reaction and explain the factors that may affect the percent yield.

asked Feb 4 in Organic Chemistry by ShadStansbur (1.8k points)

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1 answer 43 views

How can chemistry educators increase students' exposure to chemistry in everyday life to improve their understanding and appreciation of the subject?

asked Feb 4 in Chemical education by ElissaSegura (1.6k points)

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1 answer 40 views

How can chemistry students ensure they are adequately prepared for chemistry-related careers beyond graduation?

asked Feb 4 in Chemical education by IWHJaxon1452 (2.1k points)

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Given the following electrochemical equation:Cu(s) | Cu²⁺(aq, 0.0100 M) || Cr³⁺(aq, 1.00 M) | Cr(s)At 298 K, the standard reduction potential for Cu²⁺/Cu is +0.34 V and for Cr³⁺/Cr is -0.74 V. Calculate the equilibrium constant (K) for the above electrochemical reaction.

asked Feb 4 in ElectroChemistry by AlfonsoJanze (1.9k points)

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Given the enthalpy of solution of sodium hydroxide (NaOH) is -44.5 kJ/mol and the enthalpy of solution of hydrochloric acid (HCl) is -74.8 kJ/mol, calculate the enthalpy change for the precipitation reaction between NaOH and HCl, assuming all solutions are at a concentration of 1 M.

asked Feb 4 in ThermoChemistry by KatherinKely (1.8k points)

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1 answer 48 views

Determine the standard enthalpy of formation of methane (CH4) using Hess's Law, given the following reactions and enthalpy changes: 1. C(graphite) + 2H2(g) -> CH4(g) ΔH1 = -74.6 kJ/mol 2. 2H2(g) + O2(g) -> 2H2O(l) ΔH2 = -571.7 kJ/mol 3. C(graphite) + O2(g) -> CO2(g) ΔH3 = -393.5 kJ/mol.

asked Feb 4 in Chemical thermodynamics by BeatriceJ11 (2.0k points)

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1 answer 40 views

How can chemistry students effectively learn practical skills and conduct experiments with limited access to laboratory equipment and facilities?

asked Feb 4 in Chemical education by NoeMorales5 (1.9k points)

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