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Ideal Gas Lab Report

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Chemistry
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Laurel Springs School
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Lab Report
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Ideal Gas Lab Report
Instructions: For this investigative phenomenon, you will need to determine the experimental
value of absolute zero using the relationship between volume and temperature of real gases.
Record your data and calculations in the lab report below. You will submit your completed
report.
_____________________________________________________________________________
Title:
Temperature and Volume of Gases
Objective(s):
- To examine the relationship between the temperature and volume of a gas
- To use this relationship to calculate an experimental value of absolute zero and compare
it with the calculated value accepted by the scientific community
Hypothesis:
The temperature and volume of a gas are proportional to each other, so a gas’s volume increases
as its temperature increases and vice versa. Because of this, the hypothetical of a gas’s volume
being zero along with the rate at which its temperature and volume increase or decrease as will
be seen in this experiment can be used to calculate a possible value for absolute zero.
Procedure:
Materials:
Ideal Gas Virtual Lab
Variables:
- Controlled Variables: The types of gases used, the durations the gases are heated
(5 minutes), the liquid the gases are heated in (water), the measuring tool
(syringe), the container the water is kept in, the pressure in the laboratory, the
number of moles of each gas. These are controlled variables because they remain
the same throughout the experiment.
- Independent Variable: The temperature of the water. This is the independent
variable because it is what is being intentionally changed in the experiment.
- Dependent Variable: The volumes of the gases. This is the dependent variable
because it is what is being tested and measured in the experiment as a result of the
changes in the independent variable of temperature.
Summary of Steps:
1. Obtain a 10 mL syringe and pull the plunger back so that it is approximately half
full of air (around 5 mL)

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2. Seal the syringe with a syringe tip cap
3. Obtain another 10 mL syringe and place it into the mouth of a tank of hydrogen
gas
4. Pull the plunger back so that it is approximately half full of H
2
(around 5 mL)
5. Seal the syringe with a syringe tip cap
6. Place the syringes inside of a beaker of ice and saltwater, making sure they are
completely submerged
7. Leave them for five minutes to bring the gas to the same temperature as the water
8. Record the temperature of the water
9. Record the volumes of each gas by seeing how much of each syringe is now filled
10. Place the syringes inside of a beaker of ice water, making sure they are
completely submerged
11. Leave them for five minutes to bring the gas to the same temperature as the water
12. Record the temperature of the water
13. Record the volumes of each gas by seeing how much of each syringe is now filled
14. Place the syringes inside of a beaker of room temperature water, making sure they
are completely submerged
15. Leave them for five minutes to bring the gas to the same temperature as the water
16. Record the temperature of the water
17. Record the volumes of each gas by seeing how much of each syringe is now filled
18. Place the syringes inside of a beaker of warm water, making sure they are
completely submerged
19. Leave them for five minutes to bring the gas to the same temperature as the water
20. Record the temperature of the water
21. Record the volumes of each gas by seeing how much of each syringe is now filled
22. Place the syringes inside of a beaker of hot water, making sure they are
completely submerged
23. Leave them for five minutes to bring the gas to the same temperature as the water
24. Record the temperature of the water
25. Record the volumes of each gas by seeing how much of each syringe is now filled
Data:
Water Bath
Temp (⁰C)
Volume (mL) Air
Volume (mL) H
2
Ice and saltwater
-14.8
4.3
4.3
Ice water
0.9
4.6
4.6

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Ideal Gas Lab Report Instructions: For this investigative phenomenon, you will need to determine the experimental value of absolute zero using the relationship between volume and temperature of real gases. Record your data and calculations in the lab report below. You will submit your completed report. _____________________________________________________________________________ Title: Temperature and Volume of Gases Objective(s): - To examine the relationship between the temperature and volume of a gas - To use this relationship to calculate an experimental value of absolute zero and compare it with the calculated value accepted by the scientific community Hypothesis: The temperature and volume of a gas are proportional to each other, so a gas’s volume increases as its temperature increases and vice versa. Because of this, the hypothetical of a gas’s volume being zero along with the rate at which its temperature and volume increase or decrease as will be seen in this experiment can be used to calculate a possible value for absolute zero. Procedure: Materials: Ideal Gas Virtual Lab Variables: - Controlled Variables: The types of gases used, the durations the gases are heated (5 minutes), the liquid the gases are heated in (water), the measuring tool (syringe), the container the water is kept in, the pressure in the laboratory, the number of moles of each gas. These are controlled variables because they remain the same throughout the experiment. - Independent Variable: The ...
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Very useful material for studying!

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