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Underwater Fireworks

Last updated

Feb 28, 2023
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- Thermite
- Exemplars and Case Studies

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Reaction

Acetylene gas is generated by reacting calcium carbide (CaC₂) with water. The equation is

CaC₂ (s) + 2 H₂O (l) -> Ca(OH)₂ (aq ) + C₂H₂ (g )

The resulting acetylene gas and chlorine gas (introduced directly as gas) react upon contact to generate flames (underwater) and the formation of solid carbon and hydrochlotic acid.

C₂H₂ + Cl₂ -> -> 2 HCl (g) + 2 C(s )

Safety

The resulting liquid is acidic (how much depends on how long the reaction occurs) and needs to be neutralized before disposal.

Outside Links

http://jchemed.chem.wisc.edu/JCESoft...ACET/PAGE1.HTM

Reaction

Safety

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