Vocabulary
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?
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?
If there is one product in your equation, then you have this type of reaction.
What is a synthesis reaction?
The diatomic elements are written with one of these in a chemical equation.
What is a subscript?
When the number of atoms is equal on each side we say that the equation is this.
What is balanced?
When heat is produced, light is emitted, or a precipitate is formed this is an indication of this.
What is a chemical reaction/change?
These numbers are used to help balance chemical equations.
What are coefficients?
This chemical reaction has the generic formula of: AB --> A + B
What is a decomposition reaction?
Hand warmers
What is exothermic?
A substance that slows down, or even stops, a chemical reaction
What is an inhibitor?
In the chemical reaction, Mg + O -> MgO, the compound MgO is located on this side of the equation.
What is the product side?
a number to the bottom right of an element
What is a subscript?
A combustion reaction has these 3 things in every combustion reaction
What are hydrocarbons, carbon dioxide, and water?
two substances in a beaker at room temperature and the beaker feels cold to the touch
What is endothermic?
Can be used to describe either an element or a compound
What is a substance?
Elements form compounds in order to satisfy this characteristic.
What is a complete valence shell?
Balance the following equation. You must show all work and simplify your answer! Li + Br2 --> LiBr
2Li + Br2 --> 2LiBr
When ions from 2 compounds switch places, this type of reaction occurs.
What is a double displacement reaction?
Fireworks
What is exothermic?
This term refers to a substance that has been dissolved in water
What is an aqueous solution?
These 3 things are essential in writing a chemical equation.
What are reactants, an arrow, and products?
Balance the following equation. You must show all work and simplify your answer! C6H6 + O2 --> CO2 + H2O
2C6H6 + 15O2 --> 12CO2 + 6H2O
gasoline burns in a car engine
What is chemical?
is like a ‘story’ telling what happens during a chemical reaction.
What is a chemical equation?