Experiment 1 – Online Version

A. The Meterstick

Use a printable ruler to complete this part of the procedure.

Fill out all of Part A. on your report sheet, performing the calculations on your own.

B. The Graduated Cylinder

On your report sheet, record the Volume of water in graduated cylinder that you see in the graduated cylinder photo (uploaded as “Meniscus” in the attachments.

Skip the portion of the procedure where you measure the amount of water in your largest test tube (skip Volume of water contained in largest test tube on report sheet).

C. The Thermometer and Its Calibration

Fill in the following on your report sheet:

Observed temperature of water-and-ice mixture: 0.1 °C

Temperature of boiling water:96.4 °C

Observed atmospheric pressure:762 mm Hg

Remainder of Part C. on the report sheet: (determine on your own)

D. Using the Balance to Calibrate Your 10 mL Pipet

Watch the following videos about how to use a triple beam balance (similar to the pan balances in our lab) and about how to use a pipette.

Fill in the following on your report sheet:

Temperature of water used in pipet: 20.0 °C

Corrected temperature: (determine on your own)

Trial 1Trial 2Trial 3
Mass of Erlenmeyer plus~10 mL H2O (gross mass)46.56 g46.68 g46.85 g
Mass of Erlenmeyer (tare mass)36.57 g36.74 g36.91 g

Remainder of Part D. on the report sheet: (determine on your own)

E. Measuring the Density of Antifreeze

Watch the following video about how the density of various liquids can be determined (this is different from our lab, but a similar technique is used).

Fill in the following on your report sheet:

Temperature of antifreeze: 23 °C

Trial 1Trial 2Trial 3
Mass of flask + antifreeze47.64 g47.82 g47.97 g
Mass of empty flask36.57 g36.74 g36.91 g

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