Calcium nitrate
Formula: Canon lead
Ca
N=2x
0 = bx
Molar mass:
Mo

explain what is needed !!

Explanation:

calcium nitrate formula is Ca(NO3)2

molar mass = Ca + 2×N + 6O = 164.088 g/mol

fire could start, buildings collapsing, and ash falling from the sky.

explanation:

this is because the buildings or plants could catch on fire and the buildings would most likely collapse. lastly ash would fall because all the burning would cause ash to fall from the sky.

hope this .

the dissolution of polymer can be thermodynamically described in 2 steps.