Bell Work Complete the crossword puzzle on your

desk using your definitions from chapter 8

There are six main types of reactions Synthesis Decomposition Single Replacement or Single

Displacement Double Replacement or Double

Displacement Combustion Neutralization

Synthesis Two substances combine to make one

compound A + B= AB

+ ->

Decomposition A reactant breaks apart into two or

more elements or compounds AB= A + B

-> +

Single Replacement or Single Displacement One element replaces another

element of the same type A + B = C + AC

+ -> +

Double Replacement or Double Displacement Elements in two compounds are

exchanged AB + CD = AD + BC

Combustion A combustion reaction is when

oxygen combines with another compound to form water and carbon dioxide.

Example: C10H8 + 12 O2 ---> 10 CO2 + 4 H2O

Neutralization A special form of double replacement in

which an acid and a base form salt and water.

Examples: Acid + Base -> Salt + Water Hydrochloric acid + sodium hydroxide ->

sodium chloride + water

Examples http://

www.youtube.com/watch?v=tE4668aarck

http://www.youtube.com/watch?v=66kuhJkQCVM