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2) In science Jose left 15g of steel wool (Fe) on his lab scale for several weeks. He
noticed over time that the steel wool changed color to a dark reddish brown, became
very brittle, and increased to 25g of mass. Jose’s science teacher told him that he no
longer has steel wool, but now has iron oxide (Fe 2 O 3 ) or “rust” because the iron reacted
with the oxygen (O 2 ) in the room.
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2) In science Jose left 15g of steel wool (Fe) on his lab scale for several weeks. He
noticed over...
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