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Another Look at Freezing Temperature

Figure from experiment 3 from Chemistry with Vernier


In the experiment, “Freezing and Melting of Water,” you saw that the temperature of pure water remained constant at its freezing temperature as it froze and melted. Using a computer-interfaced Temperature Probe, you will now observe what happens when a different pure substance, phenyl salicylate, freezes. Using a second Temperature Probe and sample, you will also see the effect on freezing temperature when a small amount of another substance, benzoic acid, is dissolved in the phenyl salicylate.


In this experiment, you will

  • Observe what happens when phenyl salicylate freezes.
  • See the effect on the freezing temperature when a small amount of benzoic acid is dissolved in the phenyl salicylate.

Sensors and Equipment

This experiment features the following Vernier sensors and equipment.

Option 1

Option 2

Additional Requirements

You may also need an interface and software for data collection. What do I need for data collection?

Standards Correlations

See all standards correlations for Chemistry with Vernier »

Experiment 3 from Chemistry with Vernier Lab Book

<em>Chemistry with Vernier</em> book cover

Included in the Lab Book

Vernier lab books include word-processing files of the student instructions, essential teacher information, suggested answers, sample data and graphs, and more.

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