7. BONUS QUESTIONS (10 POINTS). THIS PORTION IS OPTIONAL. You may or may not answer the problems below. Key-in your answers in the space provided. SOLUTIONS MUST BE PROVIDED. If you did not answer the problems, write NO ANSWER. Use the MEASURED Van't Hoff factors in the table below to calculate each colligative property a. the melting point of a 0.100 m iron (III) chloride solution b. the osmotic pressure of a 0.085 M potassium sulfate solution at 298 K c. the boiling point of a 1.22% by mass magnesium chloride solution Van't Hoff Factors at 0.05 m Concentration in Aqueous Solution i Expected 1 2 Solute Nonelectrolyte NaCl MgSO Mo K₂SO FeCls 2 3 3 4 i Measured 1 1.9 1.3 2.7 2.6 3.4

Q: Using curved-arrow notation, draw out the mechanism for the folowing reaction. Include…

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Q: What is the expected major product of the following reaction? O II O I O IV I V OH 11 OH III H₂O*…

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Q: CI H CI CI H H H H CI H

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Q: provide a reasonable mechanism for the following reaction CX НО, OH H₂SO4 (cat)

A: Basically this reaction ia used in protection of aldehyde and ketone in order to prevent the…

Q: Which of the alkenes shown below can't be assigned as an E or Z isomer? O b, c, e Oa, c, e Oa, c, d…

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Q: Choose the correct base to produce this regiochemistry. t-BuOH NaH LDA NaOMe 1. Base 2. CH3CH₂Br O

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Q: Methanol: Mass Volume Mass of oil ratio of oil Methanol 6:1 of oil used (g) 100 used (1) (d= 918…

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Q: What is the hybridization state of the carbon (1) atom in the following compound? O sp3d sp sp3 H…

A: In the given Compound Carbon I has one single bond with left side Carbon atom , one single bond with…

Q: Identify the major product of this reaction of an alkene. = ||| ОН ОН 1. Hg(OAc)2, H20 2. NaBH4,…

A: Given reaction is :  Options are :

Q: What is the pH of the combined solution? [HBr] = 0.083 M [HBrO] = 0.17 M Ka (HBrO) = 2 x 10-9 pH =…

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Q: 10) By analyzing the starting material and the product(s), the following reaction is an example of…

A: The alkyl halides are the compound which is compound of hydrocarbon and at least one halide group.…

Q: Which alkene is lower in energy? O The alkene on the left is lower in energy The alkene on the right…

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Q: The hydronium ion concentration of tomato juice is 1. 58 X 10-5. The pH of tomato juice is 0 4.80…

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Q: Examine the following phase diagram and identify the feature represented by point A. Pressure 760…

A: Phase diagram is a graphical representation of the physical states of a substance under different…

Q: A solution has an [H3O+] of 3.35 x 10-4. What is the pOH of the solution? pOH = [?] Hint: Remember…

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Q: How many moles of BeCl2 are needed to react completely with 1.75 moles of LiH?

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Q: What is the correct name of this compound? CI R-2-chloropentane S-2-chloropentane R-2-chlorobutane…

A: Rules to assign R and S nomenclature The four atoms or group attached to chiral centre are given…

Q: Choose the Newman projection that best represents the wedge-dash structure. CI H CH3 H3C H H CH3 ||…

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Q: Jacques Charles found that increasing the temperature of a gas sample at constant pressure would…

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Q: Which phrase beat describes the structure of an atom A: Nucleus surrounded by electrons in set…

A: Atom is made up of protons, neutrons and electrons and electrons are revolving around the nucleus.

Q: Explain why the following reaction doesn't work and provide alternative synthesis. (1) LDA (H) Br OH…

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Q: examples

A: Hybridization can be described as a technique that analyzes the different portions of the genetic…

Q: -О-І н н н- с - с - с CICIC н — C — с — C -с н н — — Н Н Н

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Q: A solution of 0.332  M   KOH  is used to titrate 16.0  mL  of a 0.192  M   H3PO4  solution. What…

A: No. of moles = Molarity × volume We need to balance ( no. of moles ÷ stoichiometric coefficient) .…

Q: The head of a match contains approximately 0.75 g of diphosphorus trisulfide. When the match is…

A: First we are going to write the balanced chemical equation . and then we calculate c the number of…

Q: What is the major product of the following reaction? + HBr Br Br Br Br

A: In this question, we will select the correct major product for the given reactant and reagent HBr…

Q: НО A НО Me OMe НО НО В Me Me MeO ОН 1. m-CPBA (1 equiv) CH₂Cl₂ 2. NaH, Mel, DMF 3. HClO4, H2O НО с…

A: Epoxidation occurs in more electron dense centre

Q: 1. NaNH, 2 Br 3. H₂, Lindlar's catalyst

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Q: What volume of hydrogen gas will be produced by reacting 1.55g of beryllium in water at standard…

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Q: How did you get 0.0000264

A: During calculation unit conversion is very important. We have to make the unit of a physical…

Q: Me Br 1. Ph3P NaH, THF CO₂Me 2. LAH, THF 3. mCPBA, CH₂Cl₂ ?

A: The solutions are given below

Q: Predict the multiplicity of the circled protons in a proton NMR spectrum. triplet singlet quartet…

A: We have to predict the multiplicity of the indicated  proton.

Q: Why is it important to pre-treat the solid before leaching?

A: It is important to pre-treat the solid before leaching because of Agglomeration ( this stage…

Q: Certified Reference Material (CRM), GSS-5, is certified to contain 40.67 ± 3.33 mg/kg of Ni in soil.…

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Q: Predict the Product. Provide the stable organic product(s) for the reactions below. OH om NH₂ 1. 1.…

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Q: Use the following information to answer numerical-response question 15. An Equilibrium System N₂(g)…

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Q: R | с in the concentrations H₂PO 0.058 E - X 0.058 - X shown in HPO 2 + H+ 0 0.058 + X X = + X 0.058…

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Q: Gold crystallizes in a face-centered cubic cell structure. What is the coordination number of this…

A: A face-centered cubic unit cell structure consists of atoms arranged in a cube where each corner of…

Q: Can you tell me how to arrange numbers of scientific notation in order from largest to smallest?

A: A question based on tools in analytical chemistry that is to be accomplished.

Q: Q/ differentiate in summary between

A: To differentiate between oil water and gas oil contact. There is an equal free water level which is…

Q: What is the percent ionization of a 0.0075 M solution of ammonia? K₂(NH3) = 1.8 x 10-5 [?] % %…

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Q: Question 6 Give the reagents. t O 1. BH3, 2. H₂O2, NaOH OmCPBA O 1. Hg(OAc)2, H₂O 2. NaBH4 NaBH4…

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Q: Liposuction is a technique for removing fat deposits from various areas of the body. How many…

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Q: Numerical Response 10. Match the numbers of the locations in the diagram above with the descriptions…

A: Crude oil, commonly known as petroleum, is a naturally occurring oil mainly comprised of various…

Q: Can the following two molecules be seperated by column chromatography or recrystalization? Explain

A: Recrystallization is used to determine the structure based on the melting point of the crystals.…

Q: A flask contains 250.0 mL of 0.10 M HBr. An additional 50.0 mL of 1.0 M HBrO are added to the flask.…

A: Molarity of HBr =0.10 M Molarity of HBrO=1.0 M Volume of HBr =250 ml Volume of HBrO = 50 ml

Q: Which of the following statements is true about the following reaction? Br CI + H₂ The outcome of…

A: Here we are required to predict the product of the reaction.

Q: Identify the substituent that would have the highest priority using Cahn-Prelog-Ingold rules. O…

A: CPI (CAHN-PRELOG-INHOLD) RULENJS ACCORDING TO THE MASS OF THE DIRECTLY BONDED ATOM.

Q: The pH of 0.10 M hydrazine is 10.47 at 25 °C. What is the Kb of N2H4? [OH-] = 3.0 x 10-4 M N₂ H4 +…

A: Given, N2H4 + H2O ⇌ N2H5+ + OH- [OH-] = 3.0 × 10-4 M Concentration of Hydrazine solution (C) = 0.10…

Q: The pH scale is a logarithmic scale. The acidity of a substance A is 2,000 times more acidic than a…

A: The pH scale is a logarithmic scale.  The acidity of a substance A is 2,000 times more acidic than a…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.