Mass of empty gelatin capsule Mass of gelatin capsule plus alloy sample Mass of empty beaker Mass of beaker plus displaced water Temperature of water (and reaction mixture) Barometric pressure Density of water at 20°C Vapor pressure of water at 20°C What is n,,? H₂ 0.007 g 0.336 g 141.209 g 307.712 g 20 °C 29.32 in. Hg 0.09982 g/mL 17.5 mm Hg

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Two students perform the analysis of an alloy containing aluminum and zinc by the same method
that we used in Experiment 2. They obtained the following data
0.007 g
Mass of empty gelatin capsule
Mass of gelatin capsule plus alloy sample
0.336 g
141.209 g
Mass of empty beaker
Mass of beaker plus displaced water
307.712 g
20 °C
Temperature of water (and reaction mixture)
Barometric pressure
Density of water at 20°C
29.32 in. Hg
0.09982 g/mL
17.5 mm Hg
Vapor pressure of water at 20°C
What is n ?
H₂
-2
a. 3.103 x 10
b.
6.336 x 10
c.
4.442 x 10
d.
3.030 x 10
e.
1.089 x 10
-1
-2
Transcribed Image Text:Two students perform the analysis of an alloy containing aluminum and zinc by the same method that we used in Experiment 2. They obtained the following data 0.007 g Mass of empty gelatin capsule Mass of gelatin capsule plus alloy sample 0.336 g 141.209 g Mass of empty beaker Mass of beaker plus displaced water 307.712 g 20 °C Temperature of water (and reaction mixture) Barometric pressure Density of water at 20°C 29.32 in. Hg 0.09982 g/mL 17.5 mm Hg Vapor pressure of water at 20°C What is n ? H₂ -2 a. 3.103 x 10 b. 6.336 x 10 c. 4.442 x 10 d. 3.030 x 10 e. 1.089 x 10 -1 -2
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