Ideal Gas Law

Understand the principles of the Ideal Gas Law and measure the amount of CO₂ gas created in a chemical reaction.

Lab Summary

Students will understand the principles of the Ideal Gas Law and measure the amount of CO₂ gas created in a chemical reaction.

The Ideal Gas Law was written in 1834 by Emil Clapeyron (1799-1864). The Ideal Gas Law is a combined statement of Charles, Gay-Lussac and Boyle's laws and is stated as: PV = nRT,

Where:

P = Absolute Pressure
V = Absolute Volume
T = Absolute Temperature
n = Number of moles
R = Universal gas constant

This law is a generalization and states that for a specified quantity of gas, the product of the volume (V) and pressure (P) is proportional to the absolute temperature (T). The relationship between them may be deduced from kinetic theory.

Published: February 2003

Downloads

• Ideal Gas Law - PASPORT (25 KB, .zip)

  Includes experiment setup, procedures and Datastudio file

• Ideal Gas Law - ScienceWorkshop (25 KB, .zip)

  Includes experiment setup, procedures and Datastudio file

Here's What You Need

U.S. Educator prices shown.

Probeware (PASPORT Systems) -- any combination of 2 required

Xplorer GLX (PS-2002) - $349

The Xplorer GLX is a data collection, graphing, and analysis tool designed for science students and educators.

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PASPORT Absolute Pressure Sensor (PS-2107) - $90

Measures gas pressure from various sources and internal vacuum allows consistent measurement above and below ambient conditions. For use with PASPORT Interfaces.

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PASPORT Temperature Sensor (PS-2125) - $30

Durable stainless steel temperature sensor with a wide measurable range. For use with PASPORT Interfaces.

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Probeware (ScienceWorkshop Systems)

750 Interface, USB (CI-7650) - $679

The 750 Interface allows students to measure force, temperature, pressure, angular velocity, acceleration, current, and magnetic field with a built-in function generator and oscilloscope mode.

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Pressure Sensor (Absolute) (CI-6532A) - $125

Measures the gas pressure in a closed or open system (containeror atmospheric pressure).

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Temperature Sensor (CI-6605A) - $39

Used for measuring the temperature of liquids, air, and other materials.

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Other Materials

• 20 oz plastic bottle
• Bottle of 6.0 M HCl
• Baking Soda
• #4 two-hole rubber stopper
• Bottle of glycerin lubricant
• Small test tube
• Safety goggles