Activities

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Alignment
- Standards Alignment
- Textbook Alignment
Subject Area
- Science: Chemistry: Organic Chemistry
- Science: Chemistry: Thermochemistry
- Science: Physics: Kinematics
Author

Vernier Software & Technology
Level

9-12
Activity Time

60 Minutes
Device
- TI-83 Plus Family
- TI-84 Plus
- TI-84 Plus Silver Edition
- TI-84 Plus C Silver Edition
- TI-84 Plus CE
Software

TI-GRAPH LINK™
TI Connect™
TI Connect™ CE
Applications
Accessories

CBL™/CBL 2™
Sensor - Temperature
TI Connectivity Cable
TI-GRAPH LINK™ Cable
Unit-to-Unit link cables
Vernier LabPro®
Other Materials
- 6 pieces of filter paper 2.5 cm by 2.5 cm
- 2 small rubber bands
- Masking tape
- Test tubes
- Methanol (methyl alcohol)
- Ethanol (ethyl alcohol)
- 1-propanol
- 1-butanol
- n-pentane
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Vernier - Evaporation and Intermolecular Attractions

Activity Overview

Students will study temperature changes caused by the evaporation of alkenes and alcohols and relate this data to the strength of intermolecular forces of attraction. They will also predict, and then measure, the temperature change for other liquids.

Key Steps

Students will set up and use 2 temperature probes immersed in ethanol and propanol. The temperature probes are taken out of the liquids after being immersed for 30 seconds and data collection is started.
The probes are then taped to a table with their tips extending 5cm over the edge. A temperature vs time graph is created as the liquids evaporate. Students then calculate the change in temperature as the liquids evaporate in order to answer questions regarding intermolecular forces of liquids.

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Activities

Download

Lesson Files

Alignment

Subject Area

Author

Level

Activity Time

Device

Software

Applications

DataMate

EasyData® for TI-83 Plus and TI-84 Plus

Vernier EasyData™ for TI-84 Plus CE

Accessories

Other Materials

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Vernier - Evaporation and Intermolecular Attractions

Activity Overview

Key Steps

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