Caption: High-speed footage of a large chunk of sodium metal reacting violently in water. Initially shown in slow motion, the metals falls into the water, and turns the surrounding water pink. This is due to the acid-base indicator phenolphthalein in the water, which turns pink in contact with the sodium hydroxide formed in the reaction. In real time, the sodium heats up and melts, and the hydrogen that is also produced in the reaction catches fire. In slow motion again, the flame ignites a large pocket of the hydrogen gas, causing an explosion that destroys the water bath.

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Keywords: alkali, alkali metal, alkaline, base, basic, bath, bench, breaking, broken, burn, burning, burns, chemical, chemistry, danger, dangerous, demonstrating, demonstration, education, educational, fire, flame, gas, glass, glassware, group one, hazard, hazardous, heat, high speed, high-speed, hot, hydrogen, indicator, laboratory, metal, molten, normal speed, ph, phenolphthalein, pink, reacting, reaction, reactive, reactivity, real time, school, slo mo, slo-mo, slow motion, slowed down, sodium, sodium hydroxide, spill, spilling, water

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Sodium in water explosion

K004/1200 Rights Managed

Downloadable master

Duration: 00:00:48.04

Frame size: 1920x1080

Frame rate: 25

Audio: No

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

File size: 1.4G


Capture format: Sony FS700

Codec: H.264

Please contact Science Photo Library if you require the original, or other formats.


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