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7.35 The vapor pressure of SO,(s) is 1.00 torr at 177.0 K and 10.0 torr at 195.8 K. The vapor pressure of SO,(I) is 33.4 torr at 209.6 K and 100.0 torr at 225.3 K. (a) Find the temperature and pressure of the SO, triple point. State any approximations made. (b) Find AH of fusion of SO, at the triple point.

7.35 The vapor pressure of SO,(s) is 1.00 torr at 177.0 K and 10.0 torr at 195.8 K. The vapor pressure of SO,(I) is 33.4 torr at 209.6 K and 100.0 torr at 225.3 K. (a) Find the temperature and pressure of the SO, triple point. State any approximations made. (b) Find AH of fusion of SO, at the triple point.

Introduction to Chemical Engineering Thermodynamics
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
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7.35 The vapor pressure of SO,(s) is 1.00 torr at 177.0 K and 10.0 torr at 195.8 K. The vapor pressure of SO,(I) is 33.4 torr at 209.6 K and 100.0 torr at 225.3 K. (a) Find the temperature and pressure of the SO, triple point. State any approximations made. (b) Find AH of fusion of SO, at the triple point. m 7.36 The normal melting point of Ni is 1452°C. The vapor pressure of liquid Ni is 0.100 torr at 1606°C and 1.00 torr at 1805°C. The molar heat of fusion of Ni is 4.2, kcal/mol. Making reasonable approximations, estimate the vapor pres- sure of solid Ni at 1200°C.
Transcribed Image Text:7.35 The vapor pressure of SO,(s) is 1.00 torr at 177.0 K and 10.0 torr at 195.8 K. The vapor pressure of SO,(I) is 33.4 torr at 209.6 K and 100.0 torr at 225.3 K. (a) Find the temperature and pressure of the SO, triple point. State any approximations made. (b) Find AH of fusion of SO, at the triple point. m 7.36 The normal melting point of Ni is 1452°C. The vapor pressure of liquid Ni is 0.100 torr at 1606°C and 1.00 torr at 1805°C. The molar heat of fusion of Ni is 4.2, kcal/mol. Making reasonable approximations, estimate the vapor pres- sure of solid Ni at 1200°C.
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