Potassium Nitrate and Sulfur in Gunpowder

Mixture of S and KNO3
Molar mass- 32.1g, 101.1g
Both solids at room temperature
.156mol and 9.38x10^22 atoms of Sulfur in 5g
.049mol and 2.98x10^22 molecules of Potassium Nitrate in 5g

Intensive physical properties:
-black
-powder
-nonlusterous
-soluble
-strong odor

Extensive physical properties:
-weight
-mass
-the amount of force given off

Chemical properties:
-flammable
-combustible

Physical changes:
-change in reactivity if left out in open
-change in color after explosion