PPT Slide
4FeS2(s) + 14O2(g) + 4H2O(l) 4Fe 2+(aq) + 8SO42-(aq) + 8H+
4Fe 2+(aq) + O2(g) + 4H+(aq) 4Fe3+(aq) + 2H2O(l)
4Fe3+(aq) + 12H2O(l) 4Fe(OH)3(s) + 12 H+(aq)
4FeS2(s) + 15O2(g) + 14H2O(l) 4Fe(OH)3(s) + 8SO42-(aq) +16H+
smothers organisms living on the stream bottom