Balancing Equations
Al + HCL -> AlCl3 + H2
What is:
2Al + 6HCL -> 2AlCl3 + 3H2
(Explain)
1. Spectator ion
2. Solubility
3. Complete Ionic vs Net Ionic Equations
What is:
1. An ion present in a chemical reaction, but does not participate.
2. The ability of a solute to dissolve in a solvent to form a solution.
3. A complete equation shows the spectator ions, while a net equation only shows the ions participating in the reaction.
Magnesium Chloride
Mg ion oxidation number?
What is +2
Explain:
1. Acid Definition
2. Base Definition
3. Strong Acid vs Weak Acid
What is:
1. An acid is a substance that increases the H+ content when dissolved in water.
2. A base is a substance that increases the OH- content when dissolved in water.
3. A strong acid completely disassociates into ions while a weak acid does not.
What occurs in a redox reaction?
What is:
One ion experiences an increase in its oxidation number, and the other ion experiences a decrease in its oxidation number
(Reduction and Oxidation)
CO2 + H2O -> C6H12O6 + O2
What is:
6CO2 + 6H2O -> C6H12O6 + 6O2
Write the complete and net ionic equations of:
NaCl + AgNO3 -> NaNO3 + AgCl
What is:
Na+(aq) + Cl-(aq) + Ag+(aq) + NO3-(aq)-> AgCl(s) + NO3-(aq) + Na+(aq)
&
Cl-(aq) + Ag+(aq) -> AgCl(s)
V2O5
V ion oxidation number?
What is +5
The products of a strong acid and strong base reaction?
What is:
a salt and water
Determine which is oxidized and which is reduced, list oxidation numbers:
Fe2O3(s) + 2Al(s) -> Al2O3(s) + 2Fe(l)
What is:
Aluminum oxidized (0 to 3+)
Iron reduced (3+ to 0)
Fe2(SO4)3 + KOH -> K2SO4 + Fe(OH)3
What is:
Fe2(SO4)3 + 6KOH -> 3K2SO4 + 2Fe(OH)3
Write the complete and net ionic equations, (which are the spectator ions):
Pb(NO3)2(aq)+ KI(aq) -> KNO3(aq) + PbI2(s)
What is:
Pb2+(aq) + 2I-(aq) + 2NO3-(aq) + 2K+(aq)-> PbI2(s) + 2K+(aq) + 2NO3-(aq)
&
Pb2+(aq) + 2I-(aq) -> PbI2(s)
HSO3-
S ion oxidation number?
What is +4
List all the strong acids and strong bases
What is:
HCl, HBr, HI, HNO3, HClO3, HClO4, H2SO4
NaOH, KOH, Ba(OH)2, LiOH, Sr(OH)2
Determine which is oxidized and which is reduced, list oxidation numbers:
Zn + HCl -> H2 + ZnCl2
What is:
Zn oxidized (0 to 2+)
H reduced (1+ to 0)
Al2(SO3)3 + NaOH -> Na2SO3 + Al(OH)3
What is:
Al2(SO3)3 + 6NaOH -> 3Na2SO3 + 2Al(OH)3
Write the net ionic equation for the reaction of copper (II) chloride and potassium phosphate.
What is:
3Cu2+(aq) + 2PO43(aq) -> Cu3(PO4)2 (s)
K2CrO4
Cr ion oxidation number?
What is +6
Write the net ionic equation for:
NaOH(aq) + HCl(aq) -> H2O(l) + NaCl(aq)
What is:
H+(aq) + OH-(aq)-> H2O(l)
OR
H3O+(aq) + OH-(aq) -> 2H2O(l)
Determine which is oxidized and which is reduced, list oxidation numbers:
The reaction of Iron and Oxygen to produce Iron (III) Oxide
What is:
Fe oxidized (0 to 3+)
O reduced (0 to 2-)
S + HNO3 -> H2SO4 + NO2 + H2O
What is:
S + 6HNO3 -> H2SO4 + 6NO2 + 2H2O
Write net ionic equation for (acid-base) reaction of calcium hydroxide and sulfurous acid.
What is:
H2SO3(aq) + Ca2+(aq) + 2OH-(aq) -> CaSO3(s) + 2H2O(l)
Out of these compounds, which compound contains the ion with the highest oxidation number?
A. Sulfur Trioxide
B. Carbon Dioxide
C. Aluminum Chloride
D. Calcium Sulfide
What is:
A. Sulfur (x=6) in Sulfur Trioxide
Write the complete ionic equation for:
The reaction of nitric acid and magnesium hydroxide (solid) to produce water and magnesium nitrate.
What is:
2H+(aq) + 2NO3-(aq) + Mg(OH)2(s) -> 2H2O(l) + Mg2+(aq) + 2NO3-(aq)
Determine which is oxidized and which is reduced, list oxidation numbers:
The reaction of aluminum and copper (II) chloride to produce aluminum chloride and copper
What is:
Al oxidized (0 to 3+)
Cu reduced (2+ to 0)