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10 terms

Predicting Products Practice

STUDY
PLAY
calcium acetate + sodium carbonate —>
calcium carbonate + sodium acetate
If two ionic compounds are combined...
...then a double displacement reaction will probably occur.
____ NaI + ____ CaSO4 -->
____ NaI + ____ CaSO4 --> (no reaction!)
____ Ca(OH)2 + ____ HF -->
1 Ca(OH)2 + 2 HF --> 2 H2O + CaF2
____ HBr + ____ Fe -->
2 HBr + 1 Fe --> 1 H2 + 1 FeBr2 or 6 HBr + 2 Fe --> 3 H2 + 2 FeBr3
____ Ag2SO4 + ____ NaNO3 --> (What kind of reaction?)
____ Ag2SO4 + ____ NaNO3 --> (no reaction!)
If two elements or very simple molecules combine...
....then it will probably be a synthesis reaction (hint: octet rule)
____ CaCO3 --> (What kind of reaction?)
1 CaCO3 --> 1 CaO + 1 CO2 (Decomposition)
____ Na + ____ CaSO4 -->
2 Na + 1 CaSO4 --> 1 Na2SO4 + 1 Ca (single displacement reaction)
If a pure element reacts with another compound...
...then it is probably a single displacement reaction.