You have two objects made of the same substance. Object 1 is a cube with a mass of 172.3 g. You measure the side of the cube using a ruler and find it to be 3.17 cm. Object 2 is a sphere with a mass of 86.2 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. a Determine the volume of Object 1, in cm³, using the length of the side. b Using the length of one side of the cube, the calculated volume of the cube is 31.9 cm³. Calculate the density of Object 1, in g/cm³, using this volume. c Determine the volume of Object 2, in mL, from the water displacement data.
You have two objects made of the same substance. Object 1 is a cube with a mass of 172.3 g. You measure the side of the cube using a ruler and find it to be 3.17 cm. Object 2 is a sphere with a mass of 86.2 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. a Determine the volume of Object 1, in cm³, using the length of the side. b Using the length of one side of the cube, the calculated volume of the cube is 31.9 cm³. Calculate the density of Object 1, in g/cm³, using this volume. c Determine the volume of Object 2, in mL, from the water displacement data.
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
ChapterL: Let's Review
SectionL.2: Making Measurements: Precision, Accuracy, Experimental Error, And Standard Deviation
Problem 2RC: Two students were assigned to determine the mass of a sample of an unknown liquid. Student A used an...
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Question
You have two objects made of the same substance. Object 1 is a cube with a mass of 172.3 g. You measure the side of the cube using a ruler and find it to be 3.17 cm. Object 2 is a sphere with a mass of 86.2 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.
a Determine the volume of Object 1, in cm³, using the length of the side.
b Using the length of one side of the cube, the calculated volume of the cube is 31.9 cm³. Calculate the density of Object 1, in g/cm³, using this volume.
c Determine the volume of Object 2, in mL, from the water displacement data.
d Calculate the density, in g/mL, of Object 2 using this volume.
0 of 0.83 points earned
e Which one of the following statements is true?
f Which one of the following is the best reason for the difference between the two calculated densities?
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