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What is the product formed when ethanal undergoes a nucleophilic addition reaction with aqueous sodium hydroxide?

asked Jan 21 in Organic Chemistry by ThaliaSheil (2.0k points)

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A chemistry student needs to determine the rate law for the reaction between hydrogen peroxide and iodide ion in the presence of an acid catalyst. Using experimental data, what is the order of the reaction with respect to hydrogen peroxide, iodide ion, and acid? Write the rate law equation for this reaction.

asked Jan 22 in Chemical kinetics by EleanorNabor (1.9k points)

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What is the pH of a solution prepared by mixing 50 mL of 0.1 M hydrochloric acid with 100 mL of 0.05 M sodium hydroxide?

asked Jan 21 in Inorganic Chemistry by ReinaldoAlng (1.8k points)

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What are the main criticisms of the cognitive perspective?

asked Jan 20 in Psychology by ArlenBieber1 (1.9k points)

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A chemistry student wants to calculate the amount of heat required to melt 15 grams of ice at 0°C. Given that the enthalpy of fusion of ice is 6.01 kJ/mol, what is the total amount of heat required to completely melt the ice?

asked Jan 22 in ThermoChemistry by Camilla86G58 (1.8k points)

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What is the drive reduction theory?

asked Jan 20 in Psychology by MagdaMeares (1.8k points)

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What is the solubility of calcium sulfate (CaSO4) in water at 25°C given that the Ksp of CaSO4 is 4.93 × 10^-5?

asked Jan 21 in Inorganic Chemistry by MellisaOlivo (1.9k points)

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Identify the major product and write the reaction mechanism for the bromination of toluene in the presence of iron (III) bromide as a catalyst.

asked Jan 21 in Organic Chemistry by TinaKesler6 (1.9k points)

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According to the trait theory, what are the five core personality traits?

asked Jan 20 in Psychology by MistyReagan2 (1.4k points)

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Analyzing the effects of molecular weight and temperature on the flow behavior and viscosity of polymer melts using rheological measurements: a comparative study between polyethylene and polypropylene melts.

asked Jan 22 in Polymer Chemistry by RosieBloom03 (1.8k points)

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Where was Ivan Pavlov based?

asked Jan 20 in Psychology by REHJon915716 (1.9k points)

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What are some of the challenges of treating borderline personality disorder?

asked Jan 20 in Psychology by WPOBernadine (1.9k points)

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A chemistry student is given a sample of a solution containing a known amount of sodium chloride (NaCl) dissolved in water. The student needs to determine the concentration of the NaCl in the solution, using mass balance calculations. The student has access to a balance and other necessary laboratory equipment. What is the concentration of NaCl in the solution given to the student? How much NaCl is present in the solution, and how much water was used to dissolve it?

asked Jan 22 in Analytical Chemistry by CharleyPrior (1.8k points)

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What is the chemical equation for the reaction between an amide and an acid catalyst, and what are the products produced?

asked Jan 21 in Organic Chemistry by JeanetteOffi (1.7k points)

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Identify the products of the Beckmann rearrangement of cyclohexanone oxime in the presence of concentrated sulfuric acid.

asked Jan 21 in Organic Chemistry by RobertoMundy (1.7k points)

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When did the DSM-III introduce the multiaxial system?

asked Jan 20 in Psychology by GlendaNester (1.8k points)

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What is the IUPAC name of the following organic compound: CH3CH2CH2CH2COOH?

asked Jan 21 in Organic Chemistry by ClaraCraddoc (1.6k points)

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What is the major product obtained when 1,3-butadiene undergoes electrophilic addition reaction with hydrogen chloride?

asked Jan 21 in Organic Chemistry by LeighBwb6800 (1.9k points)

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1 answer 67 views

A sample of unknown concentration of iron (Fe) is being analyzed using spectrophotometry. The absorbance values obtained from the analysis are: 0.3, 0.6, and 0.9. Using Beer's law, determine the concentration of iron in the sample.

asked Jan 22 in Analytical Chemistry by LavadaKissne (2.4k points)

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A student is given a lead-acid battery, which has a standard reduction potential of -0.356 V. The battery is undergoing a reaction where Pb(s) + SO4^2-(aq) -> PbSO4(s) + 2e^-. If the concentration of PbSO4 in the anode compartment is 1.15 M and the concentration of PbSO4 in the cathode compartment is 0.55 M, what is the power output of the battery, assuming it has a current of 1.25 A?

asked Jan 22 in ElectroChemistry by SergioCrews1 (1.9k points)

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