Determination of the Gas Constant Experimental Data Mass of Mg (g) Height difference of H2O, dH (cm) Volume of H2 gas (ml) Temperature of H2 gas (°C) Atmospheric Pressure (mm Hg) Calulate R Average R Deviation % error Trial 1 0.0432 6.77 45.56 22.3 748.6 Trial 2 0.0446 6.78 46.77 22.4 748.6 Trial 3 Trial 4 0.0410 0.0398 6.24 5.95 42.92 41.72 22.2 22.5 748.6 748.6 T(°C) 19.0 20.0 21.0 22.0 23.0 24.0 25.0 26.0 27.0 28.0 29.0 30.0 Accepted Value of R Water Vapor Pressure (tor 16.49 17.54 18.66 19.83 21.08 22.38 23.78 25.21 26.74 28.35 30.04 31.86
Determination of the Gas Constant Experimental Data Mass of Mg (g) Height difference of H2O, dH (cm) Volume of H2 gas (ml) Temperature of H2 gas (°C) Atmospheric Pressure (mm Hg) Calulate R Average R Deviation % error Trial 1 0.0432 6.77 45.56 22.3 748.6 Trial 2 0.0446 6.78 46.77 22.4 748.6 Trial 3 Trial 4 0.0410 0.0398 6.24 5.95 42.92 41.72 22.2 22.5 748.6 748.6 T(°C) 19.0 20.0 21.0 22.0 23.0 24.0 25.0 26.0 27.0 28.0 29.0 30.0 Accepted Value of R Water Vapor Pressure (tor 16.49 17.54 18.66 19.83 21.08 22.38 23.78 25.21 26.74 28.35 30.04 31.86
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter5: The Gaseous State
Section: Chapter Questions
Problem 5.43QP: A McLeod gauge measures low gas pressures by compressing a known volume of the gas at constant...
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Transcribed Image Text:Determination of the Gas Constant
Experimental Data
Mass of Mg (g)
Height difference of H2O, dH (cm)
Volume of H2 gas (ml)
Temperature of H2 gas (°C)
Atmospheric Pressure (mm Hg)
Calulate R
Average R
Deviation
% error
Trial 1
0.0432
6.77
45.56
22.3
748.6
Trial 2
0.0446
6.78
46.77
22.4
748.6
Trial 3
Trial 4
0.0410
0.0398
6.24
5.95
42.92
41.72
22.2
22.5
748.6 748.6
T (°C)
19.0
20.0
21.0
22.0
23.0
24.0
25.0
26.0
27.0
28.0
29.0
30.0
Accepted Value of R
(L mmHg mol¹K¹)
Water Vapor Pressure (torr)
16.49
17.54
18.66
19.83
21.08
22.38
23.78
25.21
26.74
28.35
30.04
31.86
62.363
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