Vocabulary that Matters
When one or more substances are changed into new substances is called this.
What is a chemical reaction?
In chemical reactions the -> symbol stands for this.
What is yields/produces?
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
2 reactants --> 1 product
Hint: Synthesis or Decomposition?
What is a synthesis reaction?
The SMALL number in an equation.
What is a subscript?
When heat is produced, light is emitted, or a precipitate is formed this is an indication of this. (Hint: You can NOT change it back).
What is a chemical reaction/change?
These are used to help balance chemical equations.
What are coefficients?
1 product ---> 2 products
What is a decomposition reaction?
The symbol (g) stands for this in a chemical equation.
Hint: It's a state of matter.
What is a gas?
The substances that we start with
What is a reactant?
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation.
What is the product side?
In following chemical equation. How many Fe are on the reactant side?
Fe + O2 --> Fe2O3
1
A chemical reaction that uses OXYGEN
What is combustion?
CsF is an example of this
Hint: Is it made of 1 or 2 thing(s)?
What is a compound?
The substances that we end up with
What is a product?
Elements form compounds in order to satisfy this characteristic. (Hint: 8 valence electrons)
What is a complete octet?
In following chemical equation. How many Br are on the product side?
2Li + Br2 --> 2LiBr
2
When ions from 2 compounds switch places, this type of reaction occurs.
What is a double displacement reaction?
when one element takes the place of another element in a compound.
Hint: Type of chemical reaction
What is a single replacement reaction?
When heated is released from a system
What is exothermic?
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
In following chemical equation balanced?
C6H6 + O2 --> CO2 + H2O
No
List the 5 types of chemical reactions.
Synthesis, Decomposition, Combustion, Single Displacement, and Double Displacement
Characteristics of a balanced equations.
Even number of reactants and products