Use your calculated density of your unknown metal sphere to determine the mass of an object made from the same material that had a volume of 22.5 mL. Show the equation you use as well as your calculations and circle your final answer. Include units and the correct number of significant figures in your work and answer. A7. Use your calculated density of your unknown sphere to determine the volume of an object made from the same material that had a mass of 1.75 kg. Show the equation you use as well as your calculations and circle your final answer. Include units and the correct number of significant figures in your work and answer.
Use your calculated density of your unknown metal sphere to determine the mass of an object made from the same material that had a volume of 22.5 mL. Show the equation you use as well as your calculations and circle your final answer. Include units and the correct number of significant figures in your work and answer. A7. Use your calculated density of your unknown sphere to determine the volume of an object made from the same material that had a mass of 1.75 kg. Show the equation you use as well as your calculations and circle your final answer. Include units and the correct number of significant figures in your work and answer.
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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Question
Transcribed Image Text:It gives inacurate results For Wooden"
sphere because wood haS the ability to absoro
water (imbibition)
Date
For which object does the method of volume by displacement give an inaccurate result? Why?
A4. Calculate the density of each object (use the volume by displacement determination of the volume for
each object except the wooden sphere; for the wooden sphere use the volume calculated from the
diameter). Show all work with units and record your answers in the table below to the correct number
of significant figures and with proper units. pensitty=MassOF Substance
VOIUME oF Substance
Show work: Lead: 47.460905.
5SF
IRON: 263:60955F
ろろ。5 ML-るSF
-니.2ML→25F
=11.39/MLE119/ML
%3D7.879/ML
nkown sphere:
7.380g-05
4.2ML 2
golden nugget:
31.0094
*VolUMe OF WOoden Sphere:
TS OFWOoden sph-
ir=radius OF WOoden Sph.
8.99/ML
1.6ML2
%3D199/ML|
Table 2: Density Results
Object
xx 27 CM3
bensity=
그9.170 g/ML=Ol0981 g/ML
Calculated Density
119/ML
7.879/ML
0.698/ML
3.99/ML
199/ML
lead sphere
=113ML ORCM3
iron sphere
wood sphere
unknown sphere
113.4
gold nugget
A5. Predict the identity of the substance of your unknown sphere by comparing its density to those in
reference Table 3.
Table 3: Reference Densities
Density (g/mL)
1.74
Substance
magnesium
aluminum
2.70
7.26
8.96
tin
соpper
silver
10.50
coppeR
Unknown metal =
The unkhown sphere is Made up OF COPPOR because
the density OF COPper is the same as the value
OF density obtained FOR UNknown sphere
Transcribed Image Text:A6. Use your calculated density of your unknown metal sphere to determine the mass of an object made
from the same material that had a volume of 22.5 mL. Show the equation you use as well as your
calculations and circle your final answer. Include units and the correct number of significant figures in
your work and answer.
A7. Use your calculated density of your unknown sphere to determine the volume of an object made
from the same material that had a mass of 1.75 kg. Show the equation you use as well as your
calculations and circle your final answer. Include units and the correct number of significant figures in
your work and answer.
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