Chem 142 Lab 1

Topics: Temperature, Volume, Density Pages: 4 (786 words) Published: May 26, 2013
The Lab Report, Significant Figures

& Working with NumbersCHMY 142-18

Experiment 1

September 4th, 2009

Introduction:

This experiment is dealing with the relative accuracy of an individual measurement. Data will be provided to perform the calculations asked for. The purpose of this experiment is to know how to use significant figures and to get formularized with making proper laboratory reports.

Procedure:

Use the data table’s information to solve the missing information is in Calculations and Results section. Make sure to use the right amount of significant figures.

Data Section:

Table 1

|Diameter (m) |Mass (g) |
|0.00610 |0.8923 |
|0.00608 |0.8909 |
|0.00615 |0.9232 |
|0.00603 |0.8678 |
|0.00612 |0.9010 |
|0.00610 |0.9047 |
|0.00602 |0.8645 |
|0.00611 |0.9003 |
|0.00609 |0.8983 |
|0.00612 |0.9074 |

Table 2

|Temp. (F) |Vol. (mL) |
|47.9 |1.51E+02 |
|56.2 |1.54+02 |
|82.6 |1.62E+02 |
|104.3 |1.68E+02 |
|132.7 |1.77E+02 |

Calculations and Results:

Data from Table 1

|Diameter (m) |Mass (g) |Volume (cm3) |Density (g/ cm3) | |0.0061 |0.8923 |3.90E-05 |2.29E+04 | |0.00608 |0.8909 |3.87E-05 |2.30E+04 | |0.00615 |0.9232 |3.96E-05 |2.33E+04 | |0.00603 |0.8678 |3.81E-05 |2.28E+04 | |0.00612 |0.901 |3.92E-05...
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