You have two objects made mass of 246.5 g. You measur 3.17 cm. Object 2 is a sphere sphere using water displacem initially is 120.0 mL, and whe Which one of the following is
You have two objects made mass of 246.5 g. You measur 3.17 cm. Object 2 is a sphere sphere using water displacem initially is 120.0 mL, and whe Which one of the following is
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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Transcribed Image Text:**Calculating Density Using Different Methods**
**Scenario:**
You have two objects made of the same substance.
- **Object 1:** A cube with a mass of 246.5 g. You measure the side of the cube using a ruler and find it to be 3.17 cm.
- **Object 2:** A sphere with a mass of 123.3 g. You find the volume of the sphere using water displacement. The volume of the water in a graduated cylinder initially is 120.0 mL, and when the sphere is added the new volume is 135.8 mL.
**Question:**
Which one of the following is the best reason for the difference between the two calculated densities?
**Options:**
A) Different numbers of significant figures were used in each measurement.
B) Uncertainty in measurement associated with the equipment.
C) Errors in how the density was calculated.
D) The units used to measure the densities are not the same.
---
This scenario presents an opportunity to explore how measurements and the inherent uncertainties in different methodologies can affect the calculation of density. It requires a consideration of precision, accuracy, and the appropriate use of units and significant figures.
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