Temperature, °C 17.00 16.00 15.00 14.00 13.00 12.00 11.00 Freezing Point Depression of Acetic Acid 0 50 100 150 200 250 300 350 400 Time, sec Acetic Acid - Acetic Acid w/ Unknown 1 - Acetic Acid w/ Unknown 1 & 2
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Video: Experiment #11: Molar Mass Determination by Freezing Point Depression - SMU Chemistry
In the video, the temperature of the acetic acid solution was measured over time.
Using excel or google sheets plot the data from the video (reproduce the graph below)
Make sure to include:
-A title
-x and y axis values and titles
-A descriptive legend (the thing that identifies which line means what)
-The y-axis should read between 11 and 17 C
-The x-axis should be between 0 and 400 seconds
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- Provide explanation of correct and incorrect option. please do not provide solution based on AI.Provide a flow chart analogous to separate a diethyl ether solution containing benzoic acid, 2-naphthol (a weak acid), 4-nitroaniline (a weak base), and naphthalenemm 0.022 doidve of (41) bros Sibisconbydlo noitudo: M ILL 6. Classify each of the following as an Arrhenius acid (AA), a Arrhenius base (AB), a Bronsted-Lowry acid (BLA), a Bronsted-Lowry base (BLB), a Lewis acid (LA), and/or a Lewis base (LB). Select all that apply. Cact to nous dinoj Jusoraq silt ei ted You may need to draw the Lewis structure of some molecules to make this determination. The pKa of hydronium ion is -1.7. a. H₂O BLA LA BLB LB b. HI (pKa = -8) AA AB BLA BLB LA LB c. BH3 (pKa = ∞ BLA BLB LA LB d. NaOH AA AB BLA BLB LA LB e. CH3CH₂OH (pka = 16) AA BLA LA f. NC13 AA BLA LA AB BLB LB AB BLB LB g. NH3 (pKa = 39) AA AB BLA BLB LA LB h. F- AA BLA LA AB BLB LB
- PH3 forms bubbles when passed slowly in water but NH3 donot Explain why?1) Complete the following reactions and identify the acid, base, conjugate acid and conjugate base. CH;CH,NH2 (aq) + H2O (1) a) CH;COOH (aq) + H,O (I) b) c) Identify the conjugate base and conjugate acid of each of the following. Conjugate Base Molecule Conjugate Acid HCO3 H20 HSO4- H2PO4Step by step solution and explanation please.
- Please explain the reason for the correct answer. Please don't provide handwritten solution_NH2 `OH + H2N° 1. ÓHYou have a solution of the three molecules below in a suitable organic solvent. NH₂ ملو OH In addition to the organic solvent and the three molecules, you have access to the following solutions: 1 M NaOH 1 M HCI 1 M CH3COOH 1 M Na2HPO4 Outline a method for how you would separate this solution into its component parts and briefly explain your rationale. You do not need to provide the level of detail shown in the Experimental; just the basics will be sufficient (e.g. wash with _____ to separate component __, then wash with _____ to separate component Y, etc.). Hint: you might need to search their pką values! You can write in paragraph style or organize your steps in a numbered list. 111)
- CH;COOOH 3. 3/9 Ph Ph Ph 4. ... ...When salt dissolves, it can form either acidic or basic salt solutions. Calcium chloride, CaCl, is a salt that is usedto develop viscosity in polymers, food additives and preservatives, surfactants, and as a pH control in chemicals. On the other hand, sodium amide, NaNH2 serves asa catalyst and a nucleophilic reagent in the industrial production of indigo dye. 1. (a) The aqueous salt solution of CaClis neutral. Explain this statement using the salt dissociation equation in water. The aqueous salt solution of NaNHzis basic. Explain this statement using the salt dissociation equation in water. (b)Calculate the pH at 25 °C of a 0.32M solution of trimethylammonium chloride ((CH3)2NHCI). Note that trimethylamine ((CH3)3N) is N is a weak base with a pK of 4.19. Round your answer to 1 decimal place. = 0 pH =