Vocabulary
Balancing Act
Questions
Identifying Reactions
Miscellaneous
100
What is a chemical equation?
What is a representation of a chemical reaction.
100
When the number of atoms are equal on both sides of the equation, this law has been fulfilled.
What is the Law of Conservation of Mass
100
In chemical reactions the -> symbol stands for what.
What is yields.
100
Synthesis(combination) reaction is?
What is a chemical change in which 2 or more substances react to form a single new substance
100
When an element occurs naturally with a subscript of 2 it is called this.
What is a diatomic element?
200
What is a balanced equation?
What is an equation that has the same number of atoms of each element on each side of the equation.
200
These are used to help balance chemical equations.
What are coefficients?
200
When heat is produced, light is emitted, or a precipitate is formed this is an indication of what?
What is a chemical reaction
200
What is a decomposition reaction?
What is a chemical change in which a single compound breaks down into 2 or more simpler products.
200
The symbol (g) stands for what in a chemical equation.
What is a gas
300
Define spectator ion.
What is an ion that appears on each side of the equation and is not directly involved in the reaction.
300
Balance the following chemical equation. You must show all work and simplify your answer. Fe + O2 --> Fe2O3
4 Fe + 3O2 --> 2Fe2O3
300
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on what side of the equation.
What is product side.
300
What is a single replacement reaction?
What is a chemical change in which one element replaces a second element in a compound.
300
H2O is an example of?
What is a compound.
400
Define net ionic equation.
What is an equation for a reaction in solution that shows only those particles that are directly involved in the chemical change.
400
Balance the following equation. You must show all work and simplify your answer! Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
400
Elements form compounds in order to satisfy what characteristic.
What is a complete octet?
400
What is a double replacement reaction?
What is a chemical change involving the exchange of positive ions between 2 compounds.
400
Please list each type of reaction, give an example of each type, and balance each equation
What is Ca + S --> CaS, synthesis 2AlN --> 2Al + N2, decompostion CH4 + 2O2 --> CO2 + 2H2O, combustion 2KI + Cl2 --> 2KCl + I2, single replacement Pb(NO3)2 + 2NaI --> 2NaNO3 + PbI2, double displacement
500
What is a complete ionic equation?
What is an equation that shows dissolved ionic compounds as dissociated free ions.
500
Balance the following equation. You must show all work and simplify your answer! C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
500
What are the 3 things are essential in writing a chemical equation.
What are the reactants, yield symbol and products.
500
What is a combustion reaction?
What is a chemical change in an element or compound that reacts with oxygen, often producing energy in the forms of heat or light.
500
This term refers to a substance that has been dissolved in water
What is an aqueous solution?
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