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IIIIIIIVV Ch. 21 – Chemical Reactions II. Types of Chemical Reactions.

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Presentation on theme: "IIIIIIIVV Ch. 21 – Chemical Reactions II. Types of Chemical Reactions."— Presentation transcript:

1 IIIIIIIVV Ch. 21 – Chemical Reactions II. Types of Chemical Reactions

2 A. Combustion CH 4 + 2O 2 CO 2 + 2H 2 O n the burning of a hydrocarbon in O 2 to produce carbon dioxide and water n Hydrocarbon = a substance made of only carbon and hydrogen C X H Y + O 2 CO 2 + H 2 O

3 B. Synthesis n the combination of 2 or more substances to form a compound n only one product A + B AB

4 B. Synthesis Example H 2 + Cl 2 2 HCl

5 C. Decomposition n a compound breaks down into 2 or more simpler substances n only one reactant AB A + B

6 C. Decomposition Example 2 H 2 O 2 H 2 + O 2

7 D. Single Replacement n one element replaces another in a compound metal replaces metal (+), or nonmetal replaces nonmetal (-) A + BC B + AC

8 D. Single Replacement Example Cu + 2AgNO 3 Cu(NO 3 ) 2 + 2Ag

9 AB + CD AD + CB E. Double Replacement n ions in two compounds change partners n cation of one compound combines with anion of the other

10 E. Double Replacement Example Pb(NO 3 ) 2 + K 2 CrO 4 PbCrO 4 + 2KNO 3


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