What is the normal boiling point of dichlorodimethylsilane? Plot these data as ln P versus 1/T At what temperature does the liquid have an equilibrium vapor pressure of 250 mm Hg? At what temperature is it 650 mm Hg?

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
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You are going to prepare a silicone polymer, and one of the starting materials is dichlorodimethylsilane, SiCl2(CH3)2. You need its normal boiling point and to measure equilibrium vapor pressures at various temperatures.

  1. What is the normal boiling point of dichlorodimethylsilane?
  2. Plot these data as ln P versus 1/T
  3. At what temperature does the liquid have an equilibrium vapor pressure of 250 mm Hg? At what temperature is it 650 mm Hg?
  4. Calculate the molar enthalpy of vaporization for dichlorodimethylsilane using the Clausius–Clapeyron equation.
Temperature (°C)
Vapor Pressure (atm)
-68.4
0.132
-45.4
0.526
- 33.6
1.000
- 18.7
2.00
4.7
5.00
25.7
10.00
50.1
20.00
Transcribed Image Text:Temperature (°C) Vapor Pressure (atm) -68.4 0.132 -45.4 0.526 - 33.6 1.000 - 18.7 2.00 4.7 5.00 25.7 10.00 50.1 20.00
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