Write skeleton equations

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A. Write skeleton equations
1.
Hydrogen gas reacts with bromine gas to
produce gaseous hydrogen
monobromide
2.
Carbon Monoxide Gas reacts with oxygen
gas to produce Carbon dioxide
3.
Solid potassium chlorate decomposes to
produce solid potassium chloride and
oxygen gas
B. Use the following equation to
answer the questions
2NaOH + CaBr2  Ca(OH)2 + 2NaBr
?
30g
75g
60g
4.
5.
6.
7.
Identify the reactants
Identify the products
How many moles of NaBr are produced
How many grams of NaOH are used
C. Identify the meaning of the
symbol
(aq)

∆
8.
9.
10.
11.
.
D. Balance the following
12.
Fe + Cl2  FeCl3
13.
Pb(NO3)2 + KI  PbI2 + KNO3
14.
Ni + AuBr3  NiBr2 + Au
15.
C12H22O11 + O2  CO2 + H2O
E. Identify the type of reaction
16.
17.
Ti +2Cl2  TiCl4
AgNO3 + LiI  AgI + LiNO3
18.
2C2H2 + 5O2  4CO2 + 2HOH
19.
Mg + Cr(NO3)3  Mg(NO3)2 + Cr
20.
A + B  AB + Heat
F. Predict the products
21.
HCl 
22.
NaOH + CuCl2 
23.
H2SO4 + NaCN 
24.
25.
Al + I2 
Mg + Sn(NO3)4 
G. Turn the following into sentences
26.
K(s) + ZnNO3(aq)  Zn
+ KNO3 (aq)
27.
3Li(s) + AuCl3 (aq)  3LiCl(aq) + Au(s)
28.
Al2(CO3)3(s)  Al2O3(s) + 3CO2
ANSWERS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
H2 (g) + Br (g)  HBr (g)
CO (g) + O2 (g)  CO2 (g)
KClO3 (s) KCl (s) + O2 (g)
2NaOH + CaBr2
Ca(OH)2 + 2NaBr
2
105g
Aqueous (dissolved in water)
Yields or produces
Heat
Reversible reaction
4,3,2
1,2,1,2
3,2,3,2
1,12,12,11
synthesis
Double
combustion
single
(synthesis) exothermic
H + Cl2
NaCl + Cu(OH)2
HCN + Na2SO4
AlI3
Mg(NO3)2 + Sn
Finely ground nickel (II) hydroxide is placed in a
beaker of water. It sinks to the bottom of the
beaker and remains unchanged. An aqueous
solution of hydrochloric acid is then added to the
beaker, and the Ni(OH) 2 disappears. Which of the
following equations best describes what occurred in
the beaker?
A. Ni(OH)2(s)
B. Ni(OH)2(s)
C. Ni(OH)2(s)
D. Ni(OH)2(s)
+
+
+
+
HCl(aq)  NiO(aq) + H2 (g) +HCl(aq)
2H2O(l)  NiCl2 (aq) + 2H2O(l)
2H2O(l)  NiCl2 (aq) + 2H2O(l)
2H2O(l)  NiCl2(aq) + 3H2O(l) + O2(g)
Which set of coefficients would balance the
following equation?
Mg + AlCl3  Al + MgCl2
A.
B.
C.
D.
2Mg + AlCl3  Al + 2MgCl2
3Mg + 2AlCl3  2Al + 3MgCl2
Mg + 2AlCl3  2Al + MgCl2
3Mg + 4AlCl3  4Al + 3MgCl2
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