Caption: Thermographic footage of a piece of sodium metal in water. Warmer areas are brighter. Sodium is a highly reactive metallic element, and it reacts with water to produce hydrogen gas, sodium hydroxide and heat. The heat of the reaction melts the sodium, which floats on the water and shoots across the surface, leaving a trail of warm sodium hydroxide solution behind it. Chemical reactions that generate heat are called exothermic reactions.

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Keywords: alkali metal, chemical, chemistry, demonstration, education, educational, element, exothermic, experiment, floating, heat, heating, hot, infrared, metal, molten, physical, physics, reacting, reaction, reactions, school, science, sodium, sodium hydroxide, solution, spinning, spiral, spiralling, stirring, thermal, thermogram, thermography, transfer, vortex, warmer, warmth, water

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Sodium in water, thermography

K006/9933 Rights Managed

Downloadable master

Duration: 00:00:20.07

Frame size: 1280x720

Frame rate: 30

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 151.6M


Capture format: Thermographic

Codec: H.264

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