Review of Chemical Reaction Types and Equations (CHEM 1405)

Back to Chemistry 1405 Practice Problems

Balance the following equations and identify them as synthesis (S), decomposition (D), single replacement (SR), double replacement (DR) or combustion (C).


_____ 1.  KClO3     Arrow-5.png     KCl     +     O2

 

_____ 2.  Pb(NO3)2    +     KI     Arrow-5.png     PbI2     +     KNO3

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_____ 3.  C3H8     +     O2     Arrow-5.png     CO2     +     H2O

 

_____ 4.  AlBr3     +     Cl2     Arrow-5.png     AlCl3     +     Br2

 

_____ 5.  H2     +     N2     Arrow-5.png     H3N

 

 

Identify the type of reaction and write a balanced equation.

_____ 6.  chlorine  +  potassium bromide  Arrow-5.png

 

 

_____ 7.  copper  +  oxygen  Arrow-5.png     (copper I)

 

 

_____ 8.  potassium carbonate  +  sodium hydroxide  Arrow-5.png

 

 

_____ 9.  hexane (C6H14)  +  oxygen  Arrow-5.png

 

 

_____ 10.  nickel II bromide  Arrow-5.png

 

 

11.  Write a balanced equation for the combustion of butane (C4H10).

 

 

 

Use your Activity Series table to write balanced equations for the following reactions.  If no reaction occurs write “NR”.

12.  sodium +  potassium nitrate  Arrow-5.png

 

 

13.  calcium +  hydrogen acetate (acetic acid)  Arrow-5.png

 

 

14.  sodium +  water Arrow-5.png

 

 

15.  calcium + zinc chloride Arrow-5.png

 

 

16.  fluorine +  lithium bromide  Arrow-5.png

 

 

 

Balance the following equation:

Sn    +    HNO3    Arrow-5.png    Sn(NO3)2    +    NH4NO3   +   H2O