The vapour pressure, p, of nitric acid varies with temperature according to the following data table. 0/°C 20 40 50 70 80 90 100 p/kPa 1.92 6.38 17.7 27.7 62.3 89.3 124.9 170.9 Determine a) the normal boiling point and b) the enthalpy of vaporization of nitric acid.

The vapour pressure, p, of nitric acid varies with temperature according to the following data table. 0/°C 20 40 50 70 80 90 100 p/kPa 1.92 6.38 17.7 27.7 62.3 89.3 124.9 170.9 Determine a) the normal boiling point and b) the enthalpy of vaporization of nitric acid.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter17: Equilibrium

Section: Chapter Questions

Problem 13ALQ

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Question

The vapour pressure, p, of nitric acid varies with temperature according to the following
data table.
0/°C
20
40
50
70
80
90
100
p/kPa
1.92
6.38
17.7
27.7
62.3
89.3
124.9
170.9
Determine a) the normal boiling point and b) the enthalpy of vaporization of nitric acid.

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