Introduction to Laboratory Techniques and Data Collections

Introduction to Laboratory Techniques and Data Collections...

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Introduction to Laboratory Techniques and Data Collections Jenine Hajjar September 17, 2007 Professor Lloyd
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Chem 110 Sect. C Introduction to Laboratory Techniques and Data Collections Purpose The objective of the lab was to become familiar with the laboratory equipment which we will be using during the semester, and to make sure we are able to take and record proper measurements. Procedure Part 1 1. I observed and recorded the level of water in the different pieces of laboratory equipment. 2. I determined and recorded the uncertainty for the equipment. Part 2 1. Obtained four pre-1982 pennies and four post-1983 pennies. 2. Placed a piece of weighing paper on the balance and tared it. 3. Weighed and recorded the mass of each of the pennies. 4. Calculated the mean weight and deviation from the mean for the zinc pennies and the copper pennies. Part 3 1. Obtained 100 mL of distilled water in a beaker. 2.
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