Electrons are valence and free moving so they take place in charge transfer
Objects in the fountain appear to be somewhere but isnt
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Just search up how much the weight is equal to another, then multiply it, thats what i do lol sorry if im no help
Answer:
1.- Chemical change
2.- Because the atoms in the image are tranformed into a new molecule
3.- Yes, it does
4.- Due to the amount of atoms are the same both in products and reagents
Explanation: