According to the video, the unknown compound could be a benzoic acid or mandelic acid. Use the information below to determine the identity of the unknown compound. Justify your answer Name Melting point (°C) Unknown 121-122 Mandelic acid 120 Benzoic acid 123 Unknown + Benzoic acid 117-123 Unknown + Mandelic acid 120-121

According to the video, the unknown compound could be a benzoic acid or mandelic acid. Use the information below to determine the identity of the unknown compound. Justify your answer Name Melting point (°C) Unknown 121-122 Mandelic acid 120 Benzoic acid 123 Unknown + Benzoic acid 117-123 Unknown + Mandelic acid 120-121

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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17 Question (3 points) The common pain relievers - aspirin (C₂H8O4), acetaminophen (CgH,NO₂), and naproxen sodium (C14H1303Na) - are available in tablets containing 125 mg of the active ingredient. Express your answers to three significant figures. 1st attempt Part 1 125 mg aspirin = Part 2 125 mg acetaminophen = Part 3 125 mg naproxen sodium = 16 OF 17 QUESTIONS COMPLETED C9H8O4 molecules CgH9NO₂ molecules C14H1303Na molecules < 17/17 DELL 4 e See page ni See Periodic Table See Hint SUBMIT ANSWER
Weighted average if these values Value-7.00, 8.00, 9.00 Weight-75.0%, 15.0%, 10.0%
Consider the responses listed below. Compound II is almost certainly going to be: Mg 1. ether Br ether H3C CH3 2. H30* IV
Part C: Determination of the alcohol content of unknown liquor: Volume (mL) Sample ТИШТИНА 0.00% alcohol 10.0% alcohol 20.0% alcohol 40.0% alcohol 50.0% alcohol Unknown Mass (g) 1o podina ko 9.8919 9.7899 9.600 9 9.420 д % Alcohol content of the liquor 9.2155 9.5089 2VLELA CVOLION EAEK EVI OK DRA IVBOKY LOBAN ocen 10.00 10.00 10.00 10.00 10.00 10.00 tiend Density (g/mL) 0.00% alcohol calculation: ися → о 0.99 во 0.99 Ino7 sm dole 120.00 supinubst sdi na LANG 411 be: [scordas: 0.97 0.94 in oil to notisalarisi 0.92 0.95
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Questions 15 through 20 pertain to the following medication formula: Here is the formula a pain and inflammation reducing ointment. Methyl salicylate (sp gr = 1.167) 60 mL Lidocaine 4% (w/w) Tween:Span mix (1:4 mix) Polypeg Base 10 g QS to 0.5 kg You receive an order to make 3 solid ounces of this product. Answer the following questions pertaining to producing 3 solid ounces of the product. 15. Volume of methyl salicylate, in milliliters. 16. Weight of lidocaine in grams. 17. Weight of Tween in milligrams. 18. Weight of Span, in milligrams. 19. Weight of Polypeg base, in grams. 20. What is the final concentration of methyl salicylate, as a percent concentration (w/w)?
A student measured the melting point range of an unknown solid to be 81.9 to 82.3 degrees celsius. a) Is the compound pure? b) Can you identify the compound from Table 2.2? c) If yes, what is the compound? Table 2.2: Solid - Melting Point (Celsius) Benzoic Acid - 122 Acentanilide - 114 Acetamide - 82 Biphenyl - 71 p-Dimethoxybenzene - 59 p-Dichlorobenzene - 54 Benzophenone - 48
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For some questions you will need to use the special periodic table attached in the images! Treat Je, Qu, Ap, and Bg as NONMETALS! Classify each of the following alcohols as primary (1°), secondary (2°), or tertiary (3°)? Look at attached images (Please show work so I can understand going forward)