Synthesis and Decomposition Reactions

Name _________________________________
Date _______________
Synthesis and Decomposition Reactions
______________________1
______________________2
______________________3
What is the name of the type of reaction that occurs when two substances join
together to form a single product?
In what type of reaction does one product break down to form 2 new products?
______________________4
In a synthesis reaction, 2 nonmetals join together to form a(n) _________
compound.
Binary compounds decompose into ______.
______________________5
A metal plus a nonmetal produces a(n) _____ compound.
______________________6
Metal chlorates break down into ____6____ and ____7____.
______________________7
______________________8
Metal oxides react with water to produce ______.
______________________9
Metal carbonates break down into ___9___ and ___10___.
_____________________10
_____________________11
Nonmetal oxides react with water to produce ______.
_____________________12
Metal hydroxides break down into ___12___ and ___13___.
_____________________13
In the following synthesis reactions, predict the products and write balanced chemical
equations.
14.
Aluminum + Oxygen à
15.
Sodium + Sulfur à
16.
Potassium Oxide + Water à
17.
Dinitrogen pentoxide + water à
18.
Calcium + chlorine à
19.
Carbon Dioxide + water à
Predict the products for these decomposition reactions. Write balanced chemical
equations.
20.
Calcium Carbonate à
21.
Calcium Hydroxide à
22.
Sodium chloride à
23.
Sodium Chlorate à
24.
Lead (II) Carbonate à
25.
Magnesium hydroxide à
Answers:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
synthesis
decomposition
covalent
elements
ionic
metal chloride
oxygen
metal hydroxides
metal oxides
carbon dioxide
acids
metal oxides
water
In the following synthesis reactions, predict the products and write balanced chemical
equations.
14.
Aluminum + Oxygen à
4 Al + 3 O2 à 2 Al2O3
15.
Sodium + Sulfur à
2 Na + S à Na2S
16.
Potassium Oxide + Water à
K2O + H2O à 2 KOH
17.
Dinitrogen pentoxide + water à
N2O5 + H2O à 2 HNO3
18.
Calcium + chlorine à
Ca + Cl2 à CaCl2
19.
Carbon Dioxide + water à
CO2 + H2O à H2CO3
Predict the products for these decomposition reactions. Write balanced chemical
equations.
20.
Calcium Carbonate à
CaCO3 à CaO + CO2
21.
Calcium Hydroxide à
Ca(OH)2 à CaO + H2O
22.
Sodium chloride à
2 NaCl à 2Na + Cl2
23.
Sodium Chlorate à
2 NaClO3 à 2 NaCl + 3 O2
24.
Lead (II) Carbonate à
PbCO3 à PbO + CO2
25.
Magnesium hydroxide à
Mg(OH)2 à MgO + H2O
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