DATE:
NAME:
BLM 6-6
CHAPTER 6
REINFORCEMENT
CLASS:
Checks and Balances
Goal • Practise balancing equations and identifying the reactions as synthesis or decomposition reactions.
What to Do
Balance each skeleton equation in the space provided. Then identify the reaction as a synthesis or decomposition
reaction.
1. CaO(s) H2O(l) → Ca(OH)2(aq)
Balanced equation: ____________________________________________________________________________
Type of reaction: ______________________________________________________________________________
2. CaCO3(s) → CaO(s) CO2(g)
Balanced equation: ____________________________________________________________________________
Type of reaction: ______________________________________________________________________________
3. PbCO3(s) → PbO(s) CO2(g)
Balanced equation: ____________________________________________________________________________
Type of reaction: ______________________________________________________________________________
4. BeCl2(s) O2(g) → Be(ClO3)2(s)
Balanced equation: ____________________________________________________________________________
Type of reaction: ______________________________________________________________________________
5. CuO(s) → Cu(s) O2(g)
Balanced equation: ____________________________________________________________________________
Type of reaction: ______________________________________________________________________________
6. Mg(s) Cl2(g) → MgCl2(s)
Balanced equation: ____________________________________________________________________________
Type of reaction: ______________________________________________________________________________
Copyright © McGraw-Hill Ryerson Limited. Permission to reproduce this page is granted to the purchaser for use in her/his classroom only.
183