Balance the following chemical equations and identify the reaction type 1
H2O(l) ➞
2
N2(g) +
3
H2SO4(aq) +
4
Al(s) +
5
Cl2(g) +
6
Pb(NO3)2(aq) +
7
NaOH(aq) +
8
P4(s) +
9
CH3OH(l) +
10
NO2(g) +
H2(g) +
H2(g) ➞
O2(g)
NH3(g)
NaOH(aq) ➞
Cu(NO3)2(aq) ➞
KBr(aq) ➞
HOH(l) +
Cu(s) +
Br2(l) +
NaI(aq) ➞
O2(g) ➞
H2O(l) ➞
Al(NO3)3(aq)
KCl(aq)
PbI2(s) +
Al2(SO4)3(aq) ➞
O2(g) ➞
Na2SO4(aq)
Al(OH)3(s)
P4O10(s)
CO2(g) +
H2O(g)
HNO3(aq) +
1
NO(g)
NaNO3(aq)
+
Na2SO4(aq)
Review
Chemistry 2202
Name:
SYNTHESIS and DECOMPOSITION REACTIONS Complete the following questions in the spaces provided. 1. Lithium metal is reacted with nitrogen to produce lithium nitride Word equation:
+
➞
Chemical equation:
+
➞
2. Copper (I) oxide is decomposed into its elements Word equation:
➞
+
Chemical equation:
➞
+
3. A silver spoon tarnishes when exposed to sulfur (S8). Word equation:
+
Chemical equation:
+
➞ ➞
4. Pieces of magnesium produce flashes of light when burned in the presence of oxygen Word equation:
+
Chemical equation:
+
➞ ➞
5. Cobalt(III) fluoride results when cobalt reacts with fluorine Word equation:
+
Chemical equation:
+
➞ ➞
2
Review
Chemistry 2202
Name:
SINGLE REPLACEMENT 1. Magnesium is reacted with a solution of silver nitrate. Word equation:
+
Chemical equation:
+
➔
+
➔
+
2. Aluminum reacts slowly in a strontium hydroxide solution. Word equation:
+
Chemical equation:
+
➔
+
➔
+
3. Silver crystals form when copper is placed in a solution of silver nitrate. Word equation:
+
Chemical equation:
+
➔
+
➔
+
4. Lead reacts with hydrochloric acid to produce a gas and lead(II) chloride. Word equation:
+
Chemical equation:
+
➔
+
➔
+
5. Sentence: Word equation: Chemical equation:
➔
+
Br2 (l)
+
KI(aq) 3
+
➔
+
Review
Chemistry 2202
Name:
DOUBLE REPLACEMENT
1. A solution of aluminum chloride is reacted with a solution of potassium sulfide. Word equation:
+
Chemical equation:
+
➔ ➔
+ +
2. A solution of barium chloride is mixed with a solution of silver nitrate. Word equation:
+
Chemical equation:
+
➔ ➔
+ +
3. A solution of barium hydroxide is neutralized by carbonic acid Word equation:
+
Chemical equation:
+
➔ ➔
+ +
4. A sodium hydroxide solution is neutralized by nitric acid. Word equation:
+
Chemical equation:
+
➔ ➔
+ +
5. Sentence: Word equation: Chemical equation:
lead (II) nitrate + sodium iodide ➔ +
➔ 4
+ +
Review
Chemistry 2202
Name:
COMBUSTION 1. Propane ( C3H8 ) burns in a barbecue. Word equation:
+
Chemical equation:
+
➔ ➔
+ +
2. Kerosene ( C11H22 ) burns in a lamp. Word equation:
+
Chemical equation:
+
➔ ➔
+ +
3. The combustion of gasoline ( C8H18 ) occurs in a lawn mower Word equation:
+
Chemical equation:
+
➔ ➔
+ +
4. Candlewax ( C25H52 ) provides some heat and light as it burns Word equation:
+
Chemical equation:
+
➔ ➔
+ +
5. The combustion of methanol ( CH3OH ) is used to keep food trays warm Word equation:
Chemical equation: â +. 3. A silver spoon tarnishes when exposed to sulfur (S8). Word equation: + â. Chemical equation: + â. 4. Pieces of magnesium produce flashes of light when burned in the presence of oxygen. Word equation: + â. Chemical equation: + â. 5. Cobalt(III) fluoride results when cobalt reacts with fluorine.
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