Chemistry Final Exam Review with
Complete Solutions
Combination Reaction - correct answer-2 or more substances react to form a single new
substance
A + B = AB
Decomposition Reaction - correct answer-Single compound breaks down into two or
more simpler products
AB = A + B
Single Replacement Reaction - correct answer-One element replaces a second element
in a compound
A + BX = AX + B
Activity Series - correct answer-A list of metals in order of deceasing reactivity. A
reactive metal will replace any metal listed below it in the activity series, only when
reactant A is a metal
Reactivity of Halogens - correct answer-Reactivity decreases going down a group. Just
like the activity series.
Double Replacement Reaction - correct answer-Atoms or ions from two different
compounds replace each other
AX + BY = BX + AY
Combustion Reaction - correct answer-Element or compound that reacts with oxygen
producing energy in the form of heat and light
Products are usually carbon dioxide and water
Spectator Ions - correct answer-Ions that appear on both sides of the equation and are
not directly involved in the reaction
Net Ionic equation - correct answer-Equation showing only those directly involved in
chemical reaction
Stoichiometry - correct answer-Calculations of quantities in chemical reactions
Mole Ratio - correct answer-Conversion factor derived from the coefficients of a
balanced chemical equation
, Used to convert moles of one substance into moles of another substance in balances
chemical equations
Calculating mass to mass conversions - correct answer-Convert to moles, then convert
to new substance, then convert back to mass
Limiting Reactant - correct answer-The quantity of the product formed in a reaction is
always determined by the quantity of the _________
Limiting Reactant - correct answer-Reactant that is completely used up
Excess Reactant - correct answer-Reactant that is not completely used up, some left
over
Theoretical yield - correct answer-The "calculated" amount of product. Maximum
amount of product that could be formed from the given amounts of reactant
Actual Yield - correct answer-Amount of product formed when performing the reaction in
the lab
Percent Yield - correct answer-Actual Yield
________________ x100
Theoretical Yield
Measure of the efficiency carried out in the lab, not typically over 100%
Kinetic Energy - correct answer-Energy that an object has because of its motion
Kinetic Theory - correct answer-All matter consists of tiny particles that are in constant
motion
3 Parts of the Kinetic Theory - correct answer-1. Gas Particles are small spheres with
insignificant volume
2. Motion is rapid, random, and constant
3. Collisions between particles are elastic
Gas Pressure - correct answer-Results from the simultaneous collisions of rapidly
moving particles in a gas with an object, and results from the force exerted by a gas per
unit surface area of an object
Vacuum - correct answer-Empty space with no particles, therefore no collisions and no
pressure
Atmospheric pressure - correct answer-Results from collisions of atoms and molecules
in air with objects
Complete Solutions
Combination Reaction - correct answer-2 or more substances react to form a single new
substance
A + B = AB
Decomposition Reaction - correct answer-Single compound breaks down into two or
more simpler products
AB = A + B
Single Replacement Reaction - correct answer-One element replaces a second element
in a compound
A + BX = AX + B
Activity Series - correct answer-A list of metals in order of deceasing reactivity. A
reactive metal will replace any metal listed below it in the activity series, only when
reactant A is a metal
Reactivity of Halogens - correct answer-Reactivity decreases going down a group. Just
like the activity series.
Double Replacement Reaction - correct answer-Atoms or ions from two different
compounds replace each other
AX + BY = BX + AY
Combustion Reaction - correct answer-Element or compound that reacts with oxygen
producing energy in the form of heat and light
Products are usually carbon dioxide and water
Spectator Ions - correct answer-Ions that appear on both sides of the equation and are
not directly involved in the reaction
Net Ionic equation - correct answer-Equation showing only those directly involved in
chemical reaction
Stoichiometry - correct answer-Calculations of quantities in chemical reactions
Mole Ratio - correct answer-Conversion factor derived from the coefficients of a
balanced chemical equation
, Used to convert moles of one substance into moles of another substance in balances
chemical equations
Calculating mass to mass conversions - correct answer-Convert to moles, then convert
to new substance, then convert back to mass
Limiting Reactant - correct answer-The quantity of the product formed in a reaction is
always determined by the quantity of the _________
Limiting Reactant - correct answer-Reactant that is completely used up
Excess Reactant - correct answer-Reactant that is not completely used up, some left
over
Theoretical yield - correct answer-The "calculated" amount of product. Maximum
amount of product that could be formed from the given amounts of reactant
Actual Yield - correct answer-Amount of product formed when performing the reaction in
the lab
Percent Yield - correct answer-Actual Yield
________________ x100
Theoretical Yield
Measure of the efficiency carried out in the lab, not typically over 100%
Kinetic Energy - correct answer-Energy that an object has because of its motion
Kinetic Theory - correct answer-All matter consists of tiny particles that are in constant
motion
3 Parts of the Kinetic Theory - correct answer-1. Gas Particles are small spheres with
insignificant volume
2. Motion is rapid, random, and constant
3. Collisions between particles are elastic
Gas Pressure - correct answer-Results from the simultaneous collisions of rapidly
moving particles in a gas with an object, and results from the force exerted by a gas per
unit surface area of an object
Vacuum - correct answer-Empty space with no particles, therefore no collisions and no
pressure
Atmospheric pressure - correct answer-Results from collisions of atoms and molecules
in air with objects
