Blasting the middle from a coin - Periodic Table of Videos

TL;DR

Chemistry professor demonstrates explosive reactions using a coin, showcasing the power of detonations and metallurgy.

Transcript

There is a long tradition in Nottingham of letting off small amounts of explosives as a lecture demonstration [Demonstrator] ... and Potassium Chlorate is an endothermic compound [Demonstrator] So we should have an evolution of energy With explosives sitting on a plate of aluminium, and under the aluminium is a coin, and when the explosive goes off... Read More

Key Insights

• 🤍 Explosive reactions in Nottingham entail using mixtures like white phosphorus and potassium chlorate safely.
• ✋ Experiment showcases the instantaneous reaction of materials under high-pressure detonations.
• 🪙 Metallurgical strength of the pound coin is demonstrated by its explosive separation without damage.
• 🦺 Jim Gamble's safe method involves using a heated rod to trigger the explosive reaction.
• 🍵 Traditional explosive experiments require special licensing and precautions for handling in the UK.
• 🚄 The high-speed nature of the explosive reaction makes it challenging to observe individual reaction stages.
• 🪙 Use of a washer under the pound coin showcases the explosive force in separating metallic components.

Questions & Answers

Q: What is the traditional explosive experiment in Nottingham?

The traditional experiment involves letting off small explosives as lecture demonstrations in Nottingham, showcasing the power of explosive reactions.

Q: How is the reaction between white phosphorus and potassium chlorate handled?

The reaction between white phosphorus and potassium chlorate, a dangerous mix, is done safely with a special method by Mr. Jim Gamble, using a heated metal rod.

Q: Why was a new British pound coin used in the experiment?

The new pound coin with 12 sides was used to showcase the explosive reaction and metallurgical strength when subjected to high-pressure detonations.

Q: How does the explosive reaction demonstrate the power of the detonation?

The explosive reaction showcases the rapid and forceful nature of detonations through the coin's explosive separation, highlighting the energy released during the reaction.

Summary & Key Takeaways

• Nottingham tradition involves explosive reactions as lecture demonstrations.

• Experiment involves white phosphorus and potassium chlorate under safe conditions.

• Pound coin reacts explosively, showcasing metallurgical strength without damage.