Size of E. F. 250 mL Erlenmeyer Flask Temperature of boiling water (T1) Temperature of air after cooling on the water bath (T2) Initial volume of air in the flask at the temperature of boiling water (V1) Volume of water drawn into the flask (V H2O ) Volume of moist air (V2 wet) drawn into the flask when cooling. V2 wet = V1 - V H20 Volume of air collected at the cool temperature after the vapor pressure correction in Equation 2. (V2 measured) Volume of air collected at the cool temperature calculated using Charles' Law (V2 calculated) Atmospheric pressure in mmHg (P total) Water vapor pressure (in mmHg) at temperature T2 (P water) (from Table I) 99.4 25.7 259.9 51.2 751.2 Percent error between V2 measured and V2 calculated

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Size of E. F.
Temperature of boiling water (T1)
Temperature of air after cooling on the water bath (T2)
250 mL Erlenmeyer Flask
99.4
25.7
Initial volume of air in the flask at the temperature of boiling water
(V1)
Volume of water drawn into the flask (V H2O )
259.9
51.2
Volume of moist air (V2 wet) drawn into the flask when cooling. V2
wet = V1 - V H20
Volume of air collected at the cool temperature after the vapor
pressure correction in Equation 2. (V2 measured)
Volume of air collected at the cool temperature calculated using
Charles' Law (V2 calculated)
Atmospheric pressure in mmHg (P total)
Water vapor pressure (in mmHg) at temperature T2 (P water) (from
Table I)
751.2
Percent error between V2 measured and V2 calculated
Transcribed Image Text:Size of E. F. Temperature of boiling water (T1) Temperature of air after cooling on the water bath (T2) 250 mL Erlenmeyer Flask 99.4 25.7 Initial volume of air in the flask at the temperature of boiling water (V1) Volume of water drawn into the flask (V H2O ) 259.9 51.2 Volume of moist air (V2 wet) drawn into the flask when cooling. V2 wet = V1 - V H20 Volume of air collected at the cool temperature after the vapor pressure correction in Equation 2. (V2 measured) Volume of air collected at the cool temperature calculated using Charles' Law (V2 calculated) Atmospheric pressure in mmHg (P total) Water vapor pressure (in mmHg) at temperature T2 (P water) (from Table I) 751.2 Percent error between V2 measured and V2 calculated
Table I. Vapor Pressure of Water as a Function of Temperature
Temperature (C )
Vapor Pressure (mm) Temperature (C ) Vapor Pressure (mm)
10
9.2
20
17.5
11
9.8
21
18.6
12
10.5
22
19.8
13
11.2
23
21.1
14
12.0
24
22.4
15
12.8
25
23.8
16
13.6
26
25.2
17
14.5
27
26.7
18
15.5
28
28.3
19
16.5
29
30.0
30
31.8
Transcribed Image Text:Table I. Vapor Pressure of Water as a Function of Temperature Temperature (C ) Vapor Pressure (mm) Temperature (C ) Vapor Pressure (mm) 10 9.2 20 17.5 11 9.8 21 18.6 12 10.5 22 19.8 13 11.2 23 21.1 14 12.0 24 22.4 15 12.8 25 23.8 16 13.6 26 25.2 17 14.5 27 26.7 18 15.5 28 28.3 19 16.5 29 30.0 30 31.8
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