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Hydrogen - Periodic Table of Videos

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The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about hydrogen and an exploding balloon. But what creates the fireball?

Most hydrogen is produced industrially by steam reforming of natural gas. Electrolysis of water also produces hydrogen, but it is used less frequently. Can you write the general equation for the electrolysis of water?

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