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Pulsating Electrochemical Reaction: Mercury Beating Heart

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Uploaded on Mar 25, 2007

If you want to download this video then go to this site: http://downloadvideos.co.nr .A drop of mercury in a watch glass is covered with a solution of potassium chromate in concentrated sulfuric acid. An iron nail is positioned so that it nearly touches the mercury. Eventually, the mercury drop starts to beat rhythmically, like a beating heart. A close up view is shown.

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