Answer:
D.
Double replacement, CaO + Cl2O
Explanation:
Answer:
Im sorry i though this was a joke i don't know I'm sorry:
It should be a chemical change
A. The molecules of solids are close together and compact, liquids are spread out but not too far apart, and gas molecules are really far apart.
B. Increase in temperature causes pressure to go up. Decrease in temperature cause pressure to go down
1 mol of any particles = 6.02*10²³ particles
56 mol*6.02*10²³ molecules of water/1 mol =3.37*10²⁵