Sunday, 22 May 2005

This presentation is part of: High School Student Posters & Displays

Formation and Combustion of Acetylene

Scott M. Kaufman, Monroe Township High School, Monroe Township, NJ

The purpose of the research was to study the formation and combustion of acetylene. The percent yield of the reaction of calcium carbide and a proton donor, water, to form acetylene and calcium oxide was first determined by measuring the volume of evolved acetylene in a eudiometer. On average, the calcium carbide produced a 67% yield of acetylene. The theoretical volume of acetylene to fill a 9 in. diameter balloon was then calculated, and the required amount of calcium carbide was found to be 23 g. A technique was developed to capture the generated acetylene gas. When a lit splint was put to the acetylene-filled balloon, under controlled conditions, it quickly combusted and produced a bright flame.

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