3. Balance:
Mg(s) +
O2(g)
->
MgO(s)
4. Type of chemical reaction:
...
Chemistry, 28.03.2021 21:40 madiiiiiii69
3. Balance:
Mg(s) +
O2(g)
->
MgO(s)
4. Type of chemical reaction:
B. Zinc and Copper(II) Sulfate
Time
Evidence of a
Chemical Reaction
1. initial
CuSO4(aq) Zn(s) Appearance
Appearance
blue
grey
Light blue / Black
2. after
30 min
Change in color
3.
Zn(s) + —
CuSO4(aq) ——
Cu(s) +
ZnSO4(aq)
4. Type of chemical reaction:
Answers: 2
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