The air taken from a newly discovered planet contains the following gases.

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
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7
35
The air taken from a newly discovered planet contains the following gases.
concentration (%)
20
gas
carbon dioxide
hydrogen
ammonia
40
10
30
охудen
The apparatus below was set up with a 100 cm3 sample of the air taken from the planet in
the graduated tube. The volume of the sample was measured at regular time intervals until
no further change in volume took place.
-moist iron filings
sample of
atmosphere
from planet
graduated tube
water
What is the volume of gas left in the tube?
A
20 cm3
B
30 cm3
70 cm3
80 cm3
Transcribed Image Text:7 35 The air taken from a newly discovered planet contains the following gases. concentration (%) 20 gas carbon dioxide hydrogen ammonia 40 10 30 охудen The apparatus below was set up with a 100 cm3 sample of the air taken from the planet in the graduated tube. The volume of the sample was measured at regular time intervals until no further change in volume took place. -moist iron filings sample of atmosphere from planet graduated tube water What is the volume of gas left in the tube? A 20 cm3 B 30 cm3 70 cm3 80 cm3
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