Name_________________________
Combination Reaction: Use experimental information from the "Empirical formula of a
Compound " Lab.
(1) Was there in increase or decrease in mass as the Magnesium metal was burned in the presence of air (Oxygen, Nitrogen)?
What is the reason for the change in mass?
What evidence do you have that a reaction has taken place?
Write a balanced equation for the reaction.
Decomposition Reactions:
(2) What pieces of evidence do you have that a reaction involving CuSO4
· 5H2O has taken place?
Write a balanced equation for the above reaction.
(3) What evidence do you have that a reaction involving KClO3
has taken place?
Write a balanced equation for the above reaction.
Single Displacement Reactions:
| Evidence of a Reaction | Reaction Equation |
| #1 | Fe(aq) + CuSO4(aq) ® |
| #2 | Cu(s) + FeSO4(aq) ® |
| #3 | Cu(s) + AgNO3(aq) ® |
| #4 | Cu(s) + HCl(aq) ® |
| #5 | Zn(s) + HCl (aq) ® |