Balance
Na +CaCl, Ca + NaCl
PLS HELP ITS URGENT

Mass of water is smething that you froma drug test or sum girl ya

Remember that rust prevented by placing a sacrificial electrode in electrical contact with the iron. the sacrificial electrode must be composed of a metal that  oxidizes  more easily than iron (that is, it must be below iron in table 18.1).

I'd say your answer would be the sides of a metal pan become hot when the pan is placed on the stove burner