CHEM 1110 test 3 for fall 2003 Page 1
Do not write on this test. Enter your answers by filling in the bubbles on the answer sheet.
1 atm / 760 torr R = 0.08206 L atm mol K
-1 -1
STP
V = 22.4 L mol
!1
°C A
T/K = t /°C + 273.15 N = 6.022 × 1023
Temperature in °C versus Water Vapor Pressure in torr
0°C 4.6 torr 10°C 9.2 torr 20°C 17.5 torr
1°C 4.9 torr 11°C 9.8 torr 21°C 18.7 torr
2°C 5.3 torr 12°C 10.5 torr 22°C 19.8 torr
3°C 5.7 torr 13°C 11.2 torr 23°C 21.1 torr
4°C 6.1 torr 14°C 12.0 torr 24°C 22.4 torr
5°C 6.5 torr 15°C 12.8 torr 25°C 23.8 torr
6°C 7.0 torr 16°C 13.6 torr 26°C 25.2 torr
7°C 7.5 torr 17°C 14.5 torr 27°C 26.7 torr
8°C 8.0 torr 18°C 15.5 torr 28°C 28.3 torr
9°C 8.6 torr 19°C 16.5 torr 29°C 30.0 torr
Compound Name Temperature °C for the pressures:
1 torr 10 torr 40 torr 100 torr 400 torr 760 torr
Methanol -44.0 -16.2 +5.0 +21.6 +49.9 +64.7
Carbon disulfide -73.9 -44.7 -22.5 -5.1 + 28.0 +46.5
Acetic acid -17.2 +17.5 +43.0 +63.0 +99.0 +118.1
Ethanol -31.3 - 2.3 +19.0 + 34.9 + 63.5 + 78.4
Propanone -59.4 -31.1 - 9.4 + 7.7 + 39.5 + 56.5
1-propanol -15.0 +14.7 +36.4 + 52.8 + 82.0 + 97.8
2-propanol -26.1 + 2.4 +23.8 + 39.5 + 67.8 + 82.5
