A P P E N D I X

IV

Vapor Pressure of Water at Various
Temperatures

A–17

Vapor

Vapor

Temperature

pressure

Temperature

pressure

(°C)

(torr)

(°C)

(torr)

0

4.6

26

25.2

5

6.5

27

26.7

10

9.2

28

28.3

15

12.8

29

30.0

16

13.6

30

31.8

17

14.5

40

55.3

18

15.5

50

92.5

19

16.5

60

149.4

20

17.5

70

233.7

21

18.6

80

355.1

22

19.8

90

525.8

23

21.2

100

760.0

24

22.4

110

1074.6

25

23.8

bapp04_17-hr  9/7/06  9:33 AM  Page A–17