types of chemical reactions we will study 4 types
Post on 26-Dec-2015
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Synthesis (or combination) ReactionsInvolve the combination of smaller atoms and/or molecules into larger molecules.
ABBA Example:
hydrogen + oxygen waterOHOH 222
Synthesis (or combination) ReactionsInvolve the combination of smaller atoms and/or molecules into larger molecules.
ABBA Example:
hydrogen + oxygen waterOHOH 222 OHOH 222 22
Decomposition Reactions
Involve the splitting of larger molecules into smaller atoms and/or molecules.
BAAB Example:
water hydrogen + oxygen
222 OHOH
Decomposition Reactions
Involve the splitting of larger molecules into smaller atoms and/or molecules.
BAAB Example:
water hydrogen + oxygen
222 OHOH
222 22 OHOH
Single Displacement Reactions
Chemical changes that involve an element and a compound as reactants. One element displaces or replaces another element from a compound.
ABXBAX
Single Displacement Reactions
Example:magnesium + silver nitrate silver + magnesium nitrate
233 )(NOMgAgAgNOMg
233 )(22 NOMgAgAgNOMg
Double Displacement Reactions
Example:
lead(II) nitrate + potassium iodide lead(II) iodide + potassium nitrate
3223 KNOPbIKINOPb
3223 22 KNOPbIKINOPb
Homework
Read 6.7 and 6.10 Complete pg. 235 #2-4 Complete pg. 241 #1-3 Complete pg 243 #1-7 Complete pg 245 # 1-4 Complete pg 247 #1-6
Pg 241 1
a) Double displacement reaction
b) Single displacement reaction
c) Synthesis reaction
d) Decomposition reaction
Pg 241 2,3 a)
copper + silver nitrate silver + copper(II) nitrate
233 NOCuAgAgNOCu
233 22 NOCuAgAgNOCu
single displacement
Pg 241 2,3 b)
zinc + hydrochloric acid hydrogen + zinc chloride
22 ZnClHHClZn
222 ZnClHHClZn
single displacement
Pg 241 2,3 c)
calcium carbonate + hydrochloric acid carbonic acid + calcium chloride
2323 CaClCOHHClCaCO
2323 2 CaClCOHHClCaCO double displacement
Pg 241 2,3 d)
aluminum + copper(II) chloride copper + aluminum chloride
32 AlClCuCuClAl
32 2332 AlClCuCuClAl
single displacement
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