Answer: The total width of a crystal is 1.65 mm.
Explanation:
Horizontal length between the two molecules = 16.5 nm
Width of the
molecules :

The total width of a crystal in millimeter=
The total width of a crystal is 1.65 mm.
Endothermic reaction is the answer.
The answer is in the bladder.
Dry air is a mixture of nitrogen, oxygen, carbon dioxide etc.
air is a mixture of gases 78% nitrogen an 21% oxygen and other components.