Water on a Clean, Dry Penny Trails are given below: Trial Number of drops 1 19 2 16 3 15 4 19 5 24 Observation: The cohesion and surface tension of water became apparent when the drops of water added to the penny reached the penny's edge. Once the water had reached the edge, began to see a bubble of water forming on top of the penny until it overflowed.
Water on a Clean, Dry Penny Trails are given below: Trial Number of drops 1 19 2 16 3 15 4 19 5 24 Observation: The cohesion and surface tension of water became apparent when the drops of water added to the penny reached the penny's edge. Once the water had reached the edge, began to see a bubble of water forming on top of the penny until it overflowed.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter11: Intermolecular Forces And Liquids
Section11.6: Properties Of Liquids
Problem 1.2ACP
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Question
Water on a Clean, Dry Penny Trails are given below:
|
Trial
|
Number of drops
|
|
1
|
19
|
|
2
|
16
|
|
3
|
15
|
|
4
|
19
|
|
5
|
24
|
Observation: The cohesion and surface tension of water became apparent when the drops of water added to the penny reached the penny's edge. Once the water had reached the edge, began to see a bubble of water forming on top of the penny until it overflowed.
Questions:
1. Describe two things that affected your precision. Remember that Accuracy refers to how close measurements are to the "true" value, while precision refers to how close measurements are to each other.
2. In your own words, give a description of surface tension.
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