In the boxes below, draw three particle diagrams representing the sample of alcohol cooling in the experiment described in the picture. The diagram should represent the sample at 3 minutes, 12 minutes, and 17 minutes. Use the phase diagram and cooling curve below to help you draw the diagrams ALCOHOL SAMPLEALCOHOL SAMPLEAT 17 MINUTESALCOHOL SAMPLEAT 3 MINUTESAT 12 MINUTES 1. In an experiment, a closed container holds a 10.0 g sample of an alcohol. Thecontainer is cooled at a constant rate. The sample's temperature is recorded eachminute. A graph of the data is below. A phase diagram for the alcohol is alsoshown.COOLING CURVE FOR ANPHASE DIAGRAM OF AN ALCOHOLALCOHOLy62500liquidsolid4001.003002004.2 x 10-9100gas0-1015Time (min)150 159351 514Temperature (K) (not to scale)Temperature (K)20Pressure (atm) (not to scale)

Answered: In the boxes below, draw three particle…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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In the boxes below, draw three particle diagrams representing the sample of alcohol cooling in the experiment described in the picture. The diagram should represent the sample at 3 minutes, 12 minutes, and 17 minutes. Use the phase diagram and cooling curve below to help you draw the diagrams

ALCOHOL SAMPLE
ALCOHOL SAMPLE
AT 17 MINUTES
ALCOHOL SAMPLE
AT 3 MINUTES
AT 12 MINUTES

1. In an experiment, a closed container holds a 10.0 g sample of an alcohol. The
container is cooled at a constant rate. The sample's temperature is recorded each
minute. A graph of the data is below. A phase diagram for the alcohol is also
shown.
COOLING CURVE FOR AN
PHASE DIAGRAM OF AN ALCOHOL
ALCOHOL
y
62
500
liquid
solid
400
1.00
300
200
4.2 x 10-9
100
gas
0-
10
15
Time (min)
150 159
351 514
Temperature (K) (not to scale)
Temperature (K)
20
Pressure (atm) (not to scale)

Expert Solution

Step 1

From the phase diagram wee observed that the boiling point of alcohol is $351 K$ .

Given time is $3 \min$ .

From cooling curve, determine the temperature of alcohol at $3 \min$ as follows:

Draw a vertical line from 3 min on X-axis and the line touches the cooling curve. Now draw an horizontal line from the point of intersection and the line touches Y-axis at $450 K$

So the temperature at $3 \min$ is $450 K$ .

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