Ashley peak lab report 10 PDF

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peer review lab report for lab 10 final lab...

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Ashley Peak Carbonation Release Introduction: The Ideal Gas Law, PV=nRT, is used to show the relationship between the relationship between pressure, temperature, volume, and the amount of gas (Martyn). It is important to note the relationship between these variables because they can affect our daily surroundings. This experiment can be used to simulate the Earth’s atmosphere, and how any changes in pressure, temperature, volume, or the amount of gas can affect the atmosphere, and what those effects will be. It is important that these changes, no matter how slight, are monitored in order to monitor ground-level changes, and to protect the Earth. I hypothesize that as temperature increases or decreases, the pressure will follow that pattern. Methods: This experiment contained two parts, the first to measure the changes in pressure of the substance, and the second part to measure changes of temperature and pressure in the reactant from the first portion of the experiment. An Erlenmeyer flask was set up to LabQuest via a pressure sensor. A temperature probe was also linked to the LabQuest box to monitor changes in temperature. For the first portion of the experiment, there were three trials run, with varying levels of sodium bicarbonate and acetic acid gathered to observe the pressure changes in the reaction over a period of 200 seconds. The levels of the sodium bicarbonate and acetic acid were decreased over the span of the three trials, with the sodium bicarbonate powder being placed into the flask, and the acetic acid being put into the solution via syringe. The data was then collected in LabQuest. The leftover reactant from the third trial of this portion of the experiment was saved and then used in the second portion of the experiment. Room temperature water was placed into a 1-liter beaker, and the flask of the reactant was then placed into this water bath. The temperature probe was then placed into the water bath to track the changes in

temperature. Data was collected for 200 seconds for this trial. For the remaining trial, the flask remained in the water bath, and ice was placed into the beaker over the 200 second period, to observe changes in temperature. All data was collected through LabQuest. (Martyn) Results:

Trial One, Part One 140 120 100 80 60 40 20 0 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 0. 7. 14. 21. 28. 35. 42. 49. 56. 63. 70. 77. 84. 91. 98. 05.3 12.3 19.3 26.3 33.3 40.3 47.3 54.3 61.3 68.3 75.3 82.3 89.3 96.3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 P kPa

T °C

Trial 2, Part One 120 100 80 60 40 20 0 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 0. 6. 13. 19. 26. 32. 39. 45. 52. 58. 65. 71. 78. 84. 91. 97. 04. 10. 17. 23. 30. 36. 43. 49. 56. 62. 69. 75. 82. 88. 95. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 P kPa

T °C

Trial Three, Part One 120 100 80 60 40 20 0 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 0. 6. 13. 19. 26. 32. 39. 45. 52. 58. 65. 71. 78. 84. 91. 97. 04. 10. 17. 23. 30. 36. 43. 49. 56. 62. 69. 75. 82. 88. 95. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 P kPa

T °C

Trial Two, Part One 120 100 80 60 40 20 0 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 0. 7. 14. 21. 28. 35. 42. 49. 56. 63. 70. 77. 84. 91. 98. 05.3 12.3 19.3 26.3 33.3 40.3 47.3 54.3 61.3 68.3 75.3 82.3 89.3 96.3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 P kPa

T °C

Trial Two, Part Two 120 100 80 60 40 20 0 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 8 3 0. 6. 13. 19. 26. 32. 39. 45. 52. 58. 65. 71. 78. 84. 91. 97. 04. 10. 17. 23. 30. 36. 43. 49. 56. 62. 69. 75. 82. 88. 95. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 P kPa

T °C

The results from the first portion of the experiment show that as less of the solution is produced, there is a change in pressure. The second portion of the experiments shows that as the temperature decreases, the pressure decreases as well.

Discussion: As shown in the data above, the relationship between temperature and pressure is there. The second portion of the experiment shows this, because as ice was added over the 200 second period, the temperature decreased pretty rapidly, and the pressure decreased as well. However, in comparison to the temperature, pressure decreased rather slowly and at a more constant rate. This relationship is significant because it can be used to understand the Earth’s atmosphere. Data is this experiment signifies changes in the atmosphere, and we can use this data to find ways to prevent these changes, and to provide solutions for them. Conclusion: This experiment was used to demonstrate the Ideal Gas Law, and how the relationship between pressure, volume, temperature, and amount of a gas affects the Earth’s atmosphere. My hypothesis proved to be right, as temperature decreased, the pressure decreased as well. References:

Martyn,T. Labflow- Carbonation Release

https://labflow.com/api/v1/file/view/Experiment%20-%20Carbonation%20Release?cmid=56379...