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CHEMISTRY SUMMER SCHOOL
Name
Sodium fluoride
Magnesium oxide
Copper(II) chloride
Silver sulfate
Potassium hydrogen carbonate
Iron(II) hydroxide
Sodium permanganate
Calcium fluoride
Aluminium nitrate
Potassium dichromate
Ammonium carbonate
Magnesium acetate
(Magnesium ethanoate)
Calcium dihydrogen
phosphate
Iron(III) sulfide
Nickel(II) nitrate
Chromium(III) oxide
Sodium sulfite
Lead(II) fluoride
Silver nitrate
Zinc hydroxide
Positive ion
Negative ion
Formula
CHEMISTRY SUMMER SCHOOL
Balance the following equations:
1.
BaCl2(aq) +
Na2SO4(aq)

BaSO4(s) +
2.
NH3(aq)
H2SO4(aq)

(NH4)2SO4(aq)
3.
H2SO4(aq) +
CaCO3(s)

H2O(l) +
4.
Al2O3(s) +
C(s)

Al(s) +
5.
Mg(s)
+
O2(g)

MgO(s)
6.
Fe(s)
+
HCl(aq)

FeCl2(aq)
7.
AgNO3(aq) +
8.
H2S(g)
+
SO2(g)

H2O(l)
9.
Li2O2(s)
+
CO2(g)

Li2CO3(s) + O2(g)
10.
Fe(NO3)3(aq) + NaOH(aq) 
+
K2CrO4(aq) 
NaCl(aq)
CO2(g) +
CaSO4(aq)
CO2(g)
+
Ag2CrO4(s) +
+
Fe(OH)3(s) +
H2(g)
KNO3(aq)
S(s)
NaNO3(aq)
Write equations for the following reactions and then balance the equation:
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
Nonane (C9H20) undergoes complete combustion in oxygen.
Naphthalene (C10H8) is burned in air, forming carbon and water vapour.
The production of quicklime (calcium oxide) and carbon dioxide by heating
limestone (calcium carbonate).
The heating of lead(II) sulfide ore in oxygen to produce lead(II) oxide and
sulfur dioxide.
Chromium(III) oxide and silicon solids are combined to form chromium metal
and solid silicon dioxide.
Hydrogen gas and chlorine gas are combined to form hydrogen chloride gas.
Nitric acid reacts with solid zinc carbonate.
Acetic acid (ethanoic acid) reacts with potassium hydroxide solution.
Propene (C3H6) undergoes incomplete combustion to produce carbon monoxide
and water.
Silver nitrate and copper(II) chloride solutions combine to form solid silver
chloride and a solution of copper(II) nitrate.
Sulfuric acid reacts with aluminium oxide powder.
Glucose (C6H12O6) is fermented to carbon dioxide and ethanol (C2H5OH)
Lead(II) nitrate and potassium iodide solutions combine to make solid lead(II)
iodide and a solution of potassium nitrate.
Sodium hydrogen carbonate is added to acetic acid (ethanoic acid)