Here are two possible methods for measuring the volume of an irregular shaped object: a) Add it to a graduated cylinder containing a known volume of water. Measure the change in the volume of the water after the object has been added. The graduated cylinder is graduated in 1 mL increments. b) Add the object to a vessel that is full of water. Collect and measure the mass of the water that is displaced on a digital balance that provides mass to the 0.001 g. Determine the volume using the tabulated densities of water in table 1.1. Which method would be more likely to produce a more precise measure of the volume of an object? Table 1.1. Density of water at different temperatures (g/mL)DegreesCelsius0.00.315.00.99913 0.999116 0.999102 0.999088 0.999074 0.999060 0.999046 0.999032 0.999018 0.9990040.99897 0.998954 0.998938 0.998922 0.998906 0.998890 0.998874 0.998858 0.998842 0.9083260.99880 0.998783 0.998766 0.9983749 0.998732 0.998715 0.998698 0.998681 0.998664 0.9986470.99862 0.998602 0.998584 0.998566 0.998548 0.998530 0.998512 0.998494 0.998476 0.9984580.99843 0.998411 0.998392 0.998373 0.998354 0.998335 0.998316 0.998297 0.998278 0.9982590.99823 0.998210 0.998190 0.998170 0.998150 0.998130 0.998110 0.998090 0.998070 0.9980500.99802 0.997999 0.997978 0.997957 0.997936 0.997915 0.997894 0.997873 0997852 0.9978310.99780 0.997778 0.997756 0.997734 0.997712 0.997690 0.997668 0.997646 0997624 0.9976020.99757 0.997547 0.997524 0.997501 0.997478 0.997455 0.997432 0.997409 0.997386 0.9973630.997258 0.997234 0.997210 0.997186 0997162 0997138 0.9971140.99733 0.997306 0.9972820.99708 0.997055 0.997030 0.997005 0.996980 0.996955 0.996930 0996905 0.996880 0.9968550.996675 0.996648 0.996621 0.996594 0.9965670.99681 0.996783 0.996756 0.996729 0.9967020.99654 0.996513 0.996486 0.996459 0.996432 0.996405 0.996378 0.996351 0996324 0.99629727.028.0 0.99626 0.996232 0.9962040.996176 0.996148 0.9961200.996092 0.996064 0996036 0.99600829.016.017.018.019.020.021.022.023.024.025.026.00.995.98010.40.5as0.7

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Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter1: Essential Ideas

Section: Chapter Questions

Problem 10E: How does a heterogeneous mixture differ from a homogeneous mixture? How are they similar?

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Question

Here are two possible methods for measuring the volume of an irregular shaped object:
a) Add it to a graduated cylinder containing a known volume of water. Measure the change in
the volume of the water after the object has been added. The graduated cylinder is
graduated in 1 mL increments.
b) Add the object to a vessel that is full of water. Collect and measure the mass of the water
that is displaced on a digital balance that provides mass to the 0.001 g. Determine the
volume using the tabulated densities of water in table 1.1.
Which method would be more likely to produce a more precise measure of the volume of an
object?

Table 1.1. Density of water at different temperatures (g/mL)
Degrees
Celsius
0.0
0.3
15.0
0.99913 0.999116 0.999102 0.999088 0.999074 0.999060 0.999046 0.999032 0.999018 0.999004
0.99897 0.998954 0.998938 0.998922 0.998906 0.998890 0.998874 0.998858 0.998842 0.908326
0.99880 0.998783 0.998766 0.9983749 0.998732 0.998715 0.998698 0.998681 0.998664 0.998647
0.99862 0.998602 0.998584 0.998566 0.998548 0.998530 0.998512 0.998494 0.998476 0.998458
0.99843 0.998411 0.998392 0.998373 0.998354 0.998335 0.998316 0.998297 0.998278 0.998259
0.99823 0.998210 0.998190 0.998170 0.998150 0.998130 0.998110 0.998090 0.998070 0.998050
0.99802 0.997999 0.997978 0.997957 0.997936 0.997915 0.997894 0.997873 0997852 0.997831
0.99780 0.997778 0.997756 0.997734 0.997712 0.997690 0.997668 0.997646 0997624 0.997602
0.99757 0.997547 0.997524 0.997501 0.997478 0.997455 0.997432 0.997409 0.997386 0.997363
0.997258 0.997234 0.997210 0.997186 0997162 0997138 0.997114
0.99733 0.997306 0.997282
0.99708 0.997055 0.997030 0.997005 0.996980 0.996955 0.996930 0996905 0.996880 0.996855
0.996675 0.996648 0.996621 0.996594 0.996567
0.99681 0.996783 0.996756 0.996729 0.996702
0.99654 0.996513 0.996486 0.996459 0.996432 0.996405 0.996378 0.996351 0996324 0.996297
27.0
28.0 0.99626 0.996232 0.996204
0.996176 0.996148 0.996120
0.996092 0.996064 0996036 0.996008
29.0
16.0
17.0
18.0
19.0
20.0
21.0
22.0
23.0
24.0
25.0
26.0
0.995.98
01
0.4
0.5
as
0.7

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