Using benzoic acid's solubility data in water (found in the pre-lab), calculate the amount of HOT WATER needed to dissolve YOUR CRUDE BENZOIC ACID. Based on YOUR DATA AND OBSERVATION, explain why you may have used more OR less water than the calculated value. tobulilie of bem sic acid in het water sepall at 100°C.
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- A student dissolved 4 drops of an unknown compound in 1 mL of methylene chloride (dichloromethane) in a test tube. They added 5 drops of a 2% solution of bromine in dichloromethane dropwise and mixed the contents within the test tube gently. They observed the red-brown color discharges (turns colorless) until the last drop. What compound is most likely the unknown? ©GMU 2020 Oa. Methanol b. Cyclohexane c. n-Butyl Bromide O d. Hex-2-ene COLE QUESTION 6 A student placed 2 drops of an unknown sample in a test tube and added 2 mL of ethanol to the test tube while mixing gently. They added 2 drops of potassium permanganate reagent to the test tube and mixed the contents of the test tube gently. The initial color was a deep purple but then changed to a yellow color which precipitates as a brown solid. What compound is most likely the unknown? OGMU 2020 a. Cyclopentane O b. Cyclohexene c. 1-Pentyl Chloride d. 2-Propanol SOUL QUESTION 7 A student performed the Beilstein test within a chemical…1. Rank the following salts based on their solubility from the most soluble (1) to the least (5). Show final answers only in the table, mind your superscripts, no solutions required. Salt Ksp S Rank (1= most soluble) Се(ОН)з 6.0 x 10-22 BaF2 1.5 x 10-6 La2(CO3)3 4.0 x 10-34 Hg2Cl2 1.2 x 10-19 AgBrO3 5.5 x 10-5You are in the quest to extract a drug from a known plant with medicinal properties. The structure of the compound is shown below: OH H2 CH H3C *CH3 ÓH Which solvent will best dissolve the compound? Given solvents: .CH3 HC H2 .C. H. HC CH H3C HO. H3C CH3 d b a.
- The question is : Using benzoic acid's solubility data in water (found in pre-lab), calculate the amount of hot water needed to dissolve your crude benzoic acid. Based on your data and observation, explain why you may have used more ore less water than the calculated value. Pre lab Question: calculated amount of hot water to dissolve 2.0g of benzoic acid. => (2.0g benzoic acid)/( 68 g/L)(1000ml)/(1L) = 29.4 mL of hot water needed to dissolve 2.0g of benzoic acid. My cruse of benzoic acid is 1.81g.O KINETICS AND EQUILIBRIUM Calculating the solubility of an ionic... Calculate the solubility at 25 °c of CaF₂ in pure water and in a 0.0200M NaF solution. You'll find ê data in the ALEKS Data tab. sp Round both of your answers to 2 significant digits. solubility in pure water: ㅁ은 solubility in 0.0200 M NaF solution: 0 60- 0 x10 X 0x0 1/3 002 Trial 1: [4] Volume of NaOH, dispensed (mL) Trial 1: [5] Molar concentration of NaOH (mol/L) Trial 2: [4] Volume of NaOH, dispensed (mL) How Trial 2: [5] Molar concentration of NaOH (mol/L) Trial 3: [4] Volume of NaOH, dispensed (mL) Trial 3: [5] Molar concentration of NaOH (mol/L)
- 6 PLEASE PROVIDE THE INTERPRETATION OF ALL SAMPLES FOR HELPFUL RATINGS. THANK YOU. *INCLUDE ALL YOUR REFERENCESwhy is cyclohexene soluble in H2SO4? please cite referenceSolubility Based on the strength and type of intermolecular forces between ammonia (shown below) and water (H,O), one would expect ammonia to be in water. H-N-H H. soluble Submit Answer Save for Later not soluble SAMSUNG @ #3 $ & * 2 3 4. 9. W e r y u S d. j k C V in
- Ghow to know ion cha X I Welcome to Chemist X M Inbox (1,542) - ljmg9 M Inbox (640) - lorcan. bAnswered: bM Your LON-CAPA Homewo X Bb My Blackboard Cont X X X с access3.lon-capa.illinois.edu/res/uiuc/cyerkes/Chem204/Homework_2/solubility.problem Lorcan James McGrath (Student - section: CQB) СНEM 102BВ/C Fall 2019 Messages Courses Help Logout Main Menu Contents Grades Course Contents » Homework 11 » Homework 11-10 Timer Rank the salts given in the table below from least soluble to most soluble in water. Ksp Ca3(PO4)2 1x10-32 Salt #Name A ZnS В |3х10-22 |РЬСІ2 С |2х10-5 AgI x10-16 BaSO4 2x10-9 least soluble most soluble You must use the Ksp expression: CationcAniona aAnion + cCation [Cation]C [Anion]a Ksp to determine the equilibrium concentrations of the anions and cations. This will tell you the relative solubiites of the salts. You cannot compare Ken Values directly unless the salts dissolve to form the same number of ions in solution. You have entered that answer before…ill have C. would be m luble in an 2.16 g/mc issolved i 1x10-3 nia has a .63 aturated s he solubil 0.17. ressure of went holes of v p. 43.0 d in oil c g of dipl .14 °C 1 .00 °C/1 b. 27 23. Tertiary butyl chloride undergoes substitution by hydroxide ion according to the equation below. (CH3)3CCI + OH → (CH3)3COH + CI Experimental evidence showed that the reaction obeys the rate law, Rate = k [(CH3)3CCI]. Which of the following mechanisms is consistent with the observed rate law? Step 1-(CH3)3CCI + OH → (CH3)3C + HOCI Slow Step 2 -(CH3)3C + HOCI b. Step 1 -(CH3)3CCI (CH3)3C + Ch Slow (CH3)3COH + Cl Fast Step 2 -(CH3)3C + OH (CH3)3COH Fast c. (CH3)3CCI + OH → (CH3)3COH + Cl d. Step 1 -(CH3)3CCI→ (CH3)3C + Cl Fast Step 2 - OH → H+0² Slow Step 3 -(CH3)3C+0²+H(CH3)3COH Fast e. Step 1 -(CH3)3CCI + OH (CH3)3C + HOCI Fast Step 2 -(CH3)3C + HOCI→ (CH3)3COH + Cl SlowDraw and upload here as an attachment a molecular-level representation of ammonium chloride (NH4Cl) before the dissolution process occurs. Include a key to differentiate the ammonium cation (NH4*) and the chloride anion (Cl- ). (Remember, no .heic files!) Describe what forces are holding the particles in NH4Cl together.