A rock is a solid, so Logan can't poke his finger through it.
N(Ca)/2 = n(O)/1 = n(CaO)/2
The calcium and the Calcium Oxide are divided by 2 because of their coefficients
there is no number in front of the oxygen so it is over one.
Hope this helped!!
It has a higher boiling point and a lower freezing point
Answer:
Rotting, burning, cooking, are the three example of a chemical change.