Balancing Equations
types of equations
writing equations
predicting products
100
P4 + O2 = P2O3
What is 1 3 2
100
2H2O = H2 + O2
What is decomposition
100
hydrogen bromide reacts with oxygen to produce water and bromine.
4HBr + O2 = 2H2O + 2Br2
100
zinc (II) sulfide reacts with oxygen in the air.
What is ZnO and S
200
K + Cl2 = KCl
What is 2 1 2
200
Cu + O2 = CuO
What is combination
200
hydrogen reacts with nitrogen to produce ammonia.
3H2 + N2 = 2NH3
200
potassium bromide and chlorine gas react.
KCl and Br2
300
NaF + Br2 = 2NaBr + F2
What is 2 1 2 1
300
Al + H2SO4 = H2 + Al2(SO4)3
What is single replacement
300
When magnesium is placed in hydrochloric acid, hydrogen gas bubbles off and magnesium chloride is left in solution.
Mg + 2HCl = H2 + MgCl2
300
A solution of lead (II) nitrate is mixed with a solution of sodium iodide.
PbI2 and NaNO3
400
Na3PO4 + CaCl2 = NaCl + Ca3(PO4)2
What is 2 3 6 1
400
C12H26 + O2 = CO2 + H2O
What is combustion
400
Aluminum bromide and chlorine react to form aluminum chloride and bromine.
2AlBr3 + 3Cl2 = 2AlCl3 + 3Br2
400
Sliver (II) nitrate reacts with sodium chloride
NaNO3 and AgCl2
500
AlBr3 + K2SO4 = KBr + Al2(SO4)3
What is 2 3 6 1
500
Ca(OH)2 + NH4Cl = NH4OH + CaCl2
What is double replacement.
500
Calcium hydroxide and phosphoric acid react to produce calcium phosphate and water.
3Ca(OH)2 + 2H3PO4 = Ca3(PO4)2 + 6H2O
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