Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.
Combustion reactions represent the most important application of thermochemistry in our daily lives to heat our homes and power our vehicles. How much energy is released when fuels burn? In the Whoosh Bottle: Chemical Demonstration—ChemTopic™ Lab Activity, observe the dramatic “whoosh” of light, sound and heat in the combustion of isopropyl alcohol and discover the products and heat of combustion. Available as part of the Thermochemistry—ChemTopic™ Labs digital collection. Click the Price link for digital collection pricing.