We did an experiment about the density of a lead sinker and the thickness of the aluminum foil. We used water displacement to measure the volume of the lead sinker (using a graduated cylinder) and we used a ruler for the measurement of the length and width of the foil and analytical balance for the mass. The result of the experiment does not follow theoretical data. According to the RSC, Lead has a density of 11.3 g/cm3, but after calculating the result of the experiment we gathered around 9.3 g/cm3. Furthermore, according to others' experiments, the thickness of their aluminum foil is around 0.00027 cm while based on the result of our experiment, the thickness is about 0.0013 cm. My questions are:In density, since it is an intensive property, the result should be 11.3 g/cm3. However, the result of our experiment was different from the theoretical data. The reasoning is correct, right? The result of the experiment should be 11.3 g/cm3. If it is not then we had committed an error in measuring the volume or mass of the lead sinker.In the thickness, since it is an extensive property, the result of the theoretical data does not mean that our's should be the same. The length, width, and mass of the aluminum foil were different from the theoretical data. The reasoning is correct, right? The difference might be because of the different aluminum foil used, for instance, different brands have different thicknesses of aluminum foil used.What could be the possible reason/s why our result does not follow the theoretical data?

In this answer, the concept of intensive and extensive properties is introduced in relation to their…

Answered: In density, since it is an intensive…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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We did an experiment about the density of a lead sinker and the thickness of the aluminum foil. We used water displacement to measure the volume of the lead sinker (using a graduated cylinder) and we used a ruler for the measurement of the length and width of the foil and analytical balance for the mass. The result of the experiment does not follow theoretical data. According to the RSC, Lead has a density of 11.3 g/cm³, but after calculating the result of the experiment we gathered around 9.3 g/cm³. Furthermore, according to others' experiments, the thickness of their aluminum foil is around 0.00027 cm while based on the result of our experiment, the thickness is about 0.0013 cm. My questions are:

In density, since it is an intensive property, the result should be 11.3 g/cm³. However, the result of our experiment was different from the theoretical data. The reasoning is correct, right? The result of the experiment should be 11.3 g/cm³. If it is not then we had committed an error in measuring the volume or mass of the lead sinker.
In the thickness, since it is an extensive property, the result of the theoretical data does not mean that our's should be the same. The length, width, and mass of the aluminum foil were different from the theoretical data. The reasoning is correct, right? The difference might be because of the different aluminum foil used, for instance, different brands have different thicknesses of aluminum foil used.
What could be the possible reason/s why our result does not follow the theoretical data?

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