An iron nail (Fe) is placed into a solution of copper(II) sulfate (CuSO4). After some time, the blue color of the copper(II) sulfate disappears and some copper-colored solid (Cu) is found on the surface of the nail. The solution now contains iron(II) sulfate (FeSO4), and the container feels warmer than before the reaction. What do the color changes indicate?

Question

bahrom7893 · Answer

this belongs in chemistry, no?

anonymous · Answer

energy release

bahrom7893 · Answer

but then again.. most smart ppl hang out in math lol

anonymous · Answer

chemistry group has really smart people

bahrom7893 · Answer

Yea but they can't answer stuff that you can answer.

anonymous · Answer

in addition a chemical reaction has occured

anonymous · Answer

True.