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Hydrogen Balloons

Last updated

Feb 28, 2023
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- Hot and Cold Paks
- Demo: Instant Fire

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Hydrogen balloons are actually lighter than helium balloons. However, since they tend to explode, their use in birthday parties is heavily curtailed.

Introduction
Reaction
Safety
Outside Links

Introduction

Reaction

2H₂ (g) + O₂ (g) → 2H₂O (g) + heat

Safety

You can create a more powerful balloon, by mixing oxygen and hydrogen together in the balloon. Thus, every H₂ molecule is very close to an O₂ molecule allowing an even faster oxidation (combustion) event. However, it matters which gas is put into the balloon first, as an explosion can occur spontanously (via Joule expansion).

http://jchemed.chem.wisc.edu/journal.../abs743_1.html

Introduction

Reaction

Safety

Outside Links

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