Essay Questions: 1. Work Problem 1. What is the advantage of combining the data

Question

Essay Questions: 1. Work Problem 1. What is the advantage of combining the data from all of the students in your group? 2. Work Problem 2. How do you zero an analytical balance? 3. Work Problém 3. In Part B, you will try to measure out a specified volume of water using various pieces of glassware, then determir 4. Work Problem 4. What device is used to draw liquid into the pipet? 5. Work Problem 5. The file name in which your glassware precision data is saved has the general form STARXXX. What do the symbols

Explanation / Answer

1. Combining the data from various groups reduces the error of mesurements as it averages out the values.

2. Place empty pan on the side weight is measured and read the mark. If not zero adjust the knob to get zero reading. Alternatively, with an empty pan in place, press the tare button to get zero reading.

3. Question partially visible on the page above.

4. We can use pipet, measuring cyllinder, syringe or buret to draw out liquid for measurement.

5. STA means work station, # for a particular group or experiment folllowed by experiment number.

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