Paul Silverman Collection (37/40)


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AMMONIUM DICHROMATE OXIDATION - VOLCANO EFFECT
(2 of 2)
An Exothermic Reaction
When ignited, a spectacular exothermic reaction occurs with end products of solid chromium (III) oxide, nitrogen gas & water vapor. (NH4)2Cr2O7(s) ----> Cr2O3(s) + N2(g) + 4H2O(g)
Copyright:© 1987 Paul Silverman - Fundamental Photographs