The equation 8HNO3 + 3Co -> 3Co(NO3)2 + 4H2O + 6NO.

  1. The chemical equation above represents the redox reaction process between nitric acid (HNO3) and cobalt (Co). The products of the reaction are cobalt nitrate (Co(NO3)2), water (H2O) and nitrogen monoxide (NO).

  2. Reaction conditions: This reaction usually occurs at room temperature.

  3. Reaction process: When nitric acid reacts with cobalt, nitric acid is reduced to nitrogen monoxide while cobalt is oxidized to cobalt nitrate.

  4. Phenomenon observed: During the reaction process, NO gas will be seen being released with a light blue color.

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