A+ Solution UOP CHM/150 Properties of Gases Lab
Properties of Gases
Peter Jeschofnig, Ph.D. Version 42-0189-00-01
Lab Report Assistant
This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.
Observations
Make a table of the gases studied. Tabulate their colors, the effect on lighted or glowing splints, and other properties one might use to identify them.
Data Table: Experiment Results | ||||
Gas | Flame reaction | Glowing splint | Limewater reaction | Bromothymol blue reaction |
Hydrogen |
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Oxygen |
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Hydrogen & oxygen |
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Carbon dioxide |
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Alka Seltzer |
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Breath |
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Questions
A. Give two reasons why we fill the gas generator test tubes almost to the top with chemicals.
B. What happens to the zinc in the hydrogen generation experiment?
C. What happens to the manganese in the oxygen generation experiment?
D. Write a balanced equation for the reaction between O2 and H2.
E. What is the function/purpose of the bromothymol blue in the CO2 experiment?
F. Bromothymol blue is blue in the presence of basic solutions, and yellow in the presence of acidic solutions. If your solution is a murky green, what might you assume about the solution?
10 years ago
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