Description

A. Demonstration Experiment

1. Boyle’s law–effect of pressure at constant temperature

Watch the following video for a demonstration of Boyle’s law.

Assume a set up was arranged as described on pages 123-124. Fill in the following on your report sheet:

Trial 1Trial 2
First pressure(P1)650 mm Hg650 mm Hg
Second pressure (P2)776 mm Hg538 mm Hg
First volume(V1)46.4 mL29.2 mL
Second volume, measured39.1 mL35.2 mL
Second volume, calculated (V2)calculate using Boyle’s Lawcalculate using Boyle’s Law
Percent errordetermine on your owndetermine on your own

2. Charles’s law–effect of temperature at constant pressure

Watch the following video for a demonstration of Charles’ law.

Assume a set up was arranged as described in the video. Fill in the following on your report sheet:

First temperature (T1)22.1 °C (calculate K temperature)
Second temperature(T2)95.2 °C (calculate K temperature)
First volume (V1)36.1 mL
Second volume, measured, mL36.7 mL
Second volume, calculated, mL (V2)calculate using Charles’ Law
Percent errordetermine on your own

B. Molar Mass of a Vapor

Watch the following video for how this portion of the lab would look.

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