Info

NOTE: several things can go wrong during this demonstration, including broken glass and hot water splashing. I STRONGLY advise doing 4C30.2 Boiling at Reduced Pressure instead.

Setup Instructions

1. Water in a round-bottomed flask is heated until boiling

2. The flask is removed from the heat, stoppered, inverted, and cold water is poured over it, lowering the pressure inside and causing the water to boil again.

Parts List

Round-bottomed Flask with Stopper

Bunsen Burner

Pitcher of Cold Water

Test Tube Clamp

Relevant Simulation

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Other Information

Boiling Water Without Heat

Real-Life Examples

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More Advanced Reading

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