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Exothermic Reaction (198/505)
IODINE SUBLIMATION DUE TO REACTION WITH ZINC
(3 of 3)
Zinc Mesh & Iodine Crystals Are Mixed In Test Tube
Adding water dissolves the zinc iodide which has formed on the surface of zinc allowing the reaction to continue. The reaction is exothermic causing the unreacted iodine to sublime quickly.
Copyright:© 1995 Richard Megna - Fundamental Photographs
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