Terminology
Stop Reacting
Equations
Yet More Equations!
100
What type of equation shows only the ions that take part in the reaction?
Net ionic equation
100
Which reaction involves a more reactive element replacing a less reactive element in a compound?
Single-replacement reaction
100
Which reaction involves two components from two compounds switching places?
Double-replacement reaction
100
What indicates a solid reactant or product?
(s)
200
What would denote that a substanc is aqueous?
(aq)
200
What type of reaction is "TiCl4 + 4Na → Ti + 4NaCl"?
Single-replacement reaction
200
What symbol indicates a reversible reaction?
⇄
200
Oxygen is always found in what reaction?
Combustion
300
What are spectator ions?
Ions that are present in the equation but do not participate in the reaction.
300
What does the symbol in "
" mean?
Indicates that heat must be supplied to reactants for the reaction to occur.
300
What type of reaction is 2HgO (s) → 2Hg (l) + O2 (g)
Decomposition
300
Daily Double!!!!!
For the reaction "Na2CO3 (aq) + HNO3 (aq) → Na2NO3 (aq) + H2O (l) + CO2 (g)",
Give the full ionic equation
Identify spectator ions
Write the net ionic equation
Full ionic: 2Na+ (aq) + CO32- (aq) + 2H+ (aq) + 2NO3- (aq) → 2Na+ (aq) + CO32- (aq) + H2O (l) + CO2 (g)
Spectator ions: Na+, CO32-
Net ionic eqation: 2H+ (aq) + 2NO3- (aq) → H2O (l) + CO2 (g)
400
What are the differences between reactants and products
Reactants - the substances that take part in a chemical reaction
Products - the substances that are produced by a reaction
400
What type of reaction is "CH4 + 2O2 → CO2 + 2H2O"
Combustion
400
Will the following reaction occur? If so, write the balanced chemical equation.
"Aqueous Lead (II) oxide and solid zinc"
Yes
PbO (aq) + Zn (s) → ZnO (aq) + Pb (s)
400
Will the following reaction occur? if so, write the balanced chemical equation.
"Aqueous Chromium fluoride and solid iron"
No
500
Give four evidences of a chemical reaction
A change in energy
Production of a gas
Formation of a precipitate
Color change
500
Write a balanced equation for the following reaction:
"Chlorine gas and aqueous sodium bromide react to form aqueous sodium chloride and bromine gas"
Cl2 (g) + 2NaBr (aq) → 2NaCl (aq) + Br2 (g)
500
Will the following reaction occur? If so, write the balanced chemical equation.
"Lithium sulfide and cobalt (II) chloride"
Li2S (aq)+ CoCl2 (aq) → CoS (s) + 2LiCl (aq)
500
Will the following reaction occur? if so, write the balanced chemical equation.
"Sodium phosphate and potassium oxide"
Nope