Education Technology

Science: Keep It Bottled Up: Linear Rates of Pressure Increase
by Texas Instruments

Published on October 17, 2008

Overview

In this activity, you will see how temperature affects the rate at which an effervescent antacid tablet reacts with water and releases a gas. The rate at which the reaction occurs is measured by the rate of gas production.

Key Steps

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    Use a Gas Pressure Sensor and the EasyData App to collect data from room temperature water with an antacid tablet and then with warm water and the antacid tablet.

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    Graph both sets of data on the handheld and compare the results.