Answered: TRANSHETTANCET 50 100 4000 3000 2000…

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Chemistry

TRANSHETTANCET 50 100 4000 3000 2000 1500 WAVENUMBERI 1000 Taken in Liquid Film 500

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter34: Particle Size Determination

Section: Chapter Questions

Problem 34.14QAP

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Question

A sample mixture contains a mixture of ethanol, cyclopentane, and 1-nitropropane. Using fractional distillation, the highest volume of distillate came out at 130-135 °C. After pooling these fractions, the corrected refractive index of the compound was found to be 1.4018 at 20 °C. Then the IR spectrum of the sample was taken, as shown in the picture below. Based on the experimental data, what is the identity of the unknown compound? Using the CRC Handbook of Chemistry and Physics, Spectral Databases, and or Table 21.2 in Mohrig and explain your reasoning!

TRANSHETTANCET
50
100
4000
3000
2000
1500
WAVENUMBERI
1000
Taken in Liquid Film
500

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FAlpOLSdkkCb8p7Lki9hSE-PEqyqO02a33Gom9YvugXuốb5uYkOPEUw/formResponse plify ern. Karely 1. Serena mixed two samples together: a gray solid that smells like flowers and a gray solid that smells like bleach. She analyzed the results and found two ending substances. One of the ending substances was a white solid. This ending substance is made up of the repeating group of atoms shown below. Which of the diagrams to the right shows the repeating groups of atoms that make up the samples Serena mixed together? Sample 1 Sample 2 An ending substance Sample 1 Sample 2 Properties: Bray solid mells like flowers Properties: gray solid smells like bleach Properties: white solid Sample 1 Sample 2 smells sour Sample Sample 1 Sample A. Diagram A B. Diagram B C. Diagram C O O O
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Column Plate Number: 16Retention Factor: 3.1Sample Peak Retention Time: 1.2minutesSample Peak Width: 1.53First Peak Retention Factor: 2.10Second Peak Retention Factor: 1.37Efficiency: 0.43Pressure: 375barrColumn: 28cm x 5mmViscosity: 2.3poiseFlow Rate: 1.2Column Permeability: 2.8 FIND: a & ba. Resolution b. Pressure if flow rate is adjusted to 2.3 c. Particle Size d. Selectivity Factor e. The retention time of the unretained peak