(no subject)
Part I
Copper Wool
Mass of copper & watch glass: 34.871 g
Mass of watchglass: 33.905 g
Mass after: 34.919 g
Observations: Turns red, burns, melts, produces offending odor.
Steel Wool
Mass of steel wool & watch glass: 35.578 g
Observations: Burns slowly, big flames, burned slower than the copper.
***Dom I don't have the after mass of this for some reason. Call Matt if you can and then leave a comment on here if you find out what it is***
Part III
CuSO4 + Mg
Right away: produces bubbles.
After 5 Min: Becomes opaque, not clear. still bubbles. Feels slightly warm.
HCl + Zinc
Right away: produces bubbles rapidly. Lets off smoke. Parts of zinc break off.
After 5 Min: Zinc has broken apart more. More bubbles. Has become slightly warm.
Part IV
BaCl2 + Na2SO4 - Turns white and milky from 2 clear solutions.
Co(NO3)2 + Na3PO4 - A purple precipitate results from 1 red solution and 1 clear solution.