76. Copper does not displace hydrogen from dilute acids

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Uploaded: 21.04.2017
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76. Copper does not displace hydrogen from dilute acids. Why is that? However, if a copper plate, is lowered into the acid touch of zinc, then copper begins the rapid evolution of hydrogen. Give an explanation for this, making electronic equation of anodic and cathodic processes. Write the equation of chemical reactions.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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