Pure benzoic acid: Midpoint of melting temp range (°C)80:20 mixture (benzoic acid:mandelic acid): Midpoint ofmelting temp range (°C)| 60:40 mixture (benzoic acid:mandelic acid): Midpoint ofmelting temp range (°C)1 40:60 mixture (benzoic acid:mandelic acid): Midpoint ofmelting temp range (°C)20:80 mixture (benzoic acid:mandelic acid): Midpoint ofmelting temp range (°C)) Pure mandelic acid: Midpoint of melting temp range (°C) Melting Point of Compounds and MixturesYesMelting point measurementsTable 1. Melting point of pure compoundsComplete melted temperature("C)Start melting temperature (°C)Pure benzoic acid123126Pure mandelic acid117124Table 2. Melting point for mixtures of benzoic and mandelic acidComplete melted temperature(°C)Start melting temperature (°C)80:20 mixture (benzoicacid:mandelic acid)11311760:40 mixture (benzoicacid:mandelic acid)10010940:60 mixture (benzoicacid:mandelic acid)9610420:80 mixture (benzoicacid:mandelic acid)107113Calculations and AnalysisDetermine the midpoint of the starting and completed melting temperatures. Use those temperaturesto graph the melting points of the pure compounds and the mixtures.Table viewList viewTable 3. Melting point analysisStart melting temp ('C) Complete melted temp(°C)Midpoint of meltingtemp range (°C)Pure benzoic acid12312680:20 mixture(benzoicacid:mandelic acid)11311760:40 mixture(benzoicacid:mandelic acid)10010940:60 mixture96104(benzoicacid:mandelic acid)20:80 mixture107113(benzoicacid:mandelic acid)Pure mandelic acid117124Pure benzoic acid: Midpoint of melting temp range (°C)క్షిక్ి కి సై

Midpoint of the melting temperature range is calculated by finding out the mean temperature of the…

Determine the midpoint of the starting and completed melting temperatures. Use those temperatures to graph the melting points of the pure compounds and the mixtures. Table view List view Table 3. Melting point analysis Start melting temp (°C) Complete melted temp (°C) Midpoint of melting temp range (°C) Pure benzoic acid 123 126 80:20 mixture 113 117 (benzoic acid:mandelic acid) 60:40 mixture 100 109 (benzoic acid:mandelic acid) 40:60 mixture 96 104 (benzoic acid:mandelic acid) 20:80 mixture 107 113 (benzoic acid:mandelic acid) Pure mandelic acid 117 124 Pure benzoic acid: Midpoint of melting temp range ("C)

Determine the midpoint of the starting and completed melting temperatures. Use those temperatures to graph the melting points of the pure compounds and the mixtures. Table view List view Table 3. Melting point analysis Start melting temp (°C) Complete melted temp (°C) Midpoint of melting temp range (°C) Pure benzoic acid 123 126 80:20 mixture 113 117 (benzoic acid:mandelic acid) 60:40 mixture 100 109 (benzoic acid:mandelic acid) 40:60 mixture 96 104 (benzoic acid:mandelic acid) 20:80 mixture 107 113 (benzoic acid:mandelic acid) Pure mandelic acid 117 124 Pure benzoic acid: Midpoint of melting temp range ("C)

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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