The word equation for this reaction is:
Iron + Tin nitrate → Iron nitrate + Tin
I think it is aluminum oxide
12.2 C
It has 3 significant figures now.
Answer:
Demonstration 1 showed a chemical change because a new gaseous substance was formed, and demonstration 2 showed a physical change because liquid water became water vapor.
Explanation:
Chemical changes alter the chemical makeup of a subject, and a physical change only alters the appearance of a subject, not the chemical makeup.