Endo- & Exothermic Reactions-Vernier Lab
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by Eric Cale
| 8 Questions
Note from the author:
This is the 1st lab in the "Chemistry with Vernier" lab book. The main point of this lab is to introduce students to the LabQuest devices and get them familiar with how to use the Vernier technology. They used Chromebooks with the LabQuests hard-wired into them, so they could take images of their graphs.
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1
4
Data Table:
2
2
Insert your Part I graph here.
3
2
Insert your Part II graph here.
4
2
Insert your combined Part I & Part II graph here.
To calculate the temperature change (\Delta t) for each reaction, subtract the initial temperature (t1) from the final temperature (t2). (\Delta t = t_{2}-t_{1}).
5
2
Which reaction was exothermic, Part I or Part II? Explain.
6
2
Which reaction had a negative \Delta t value? Is that reaction endothermic or exothermic? Explain.
7
3
For the reaction in Part I, describe THREE ways in which you could tell there was a chemical reaction taking place.
8
3
For the reaction in Part II, describe THREE ways in which you could tell there was a chemical reaction taking place.
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