Terms in this set (18)
A Precipitate is
a solid that forms from a solution during a chemical reaction.
In a chemical equation, the substances written on the right side of the arrow are called ________.
is the minimum amount of energy that must be added to start a chemical reaction.
The _____ is the amount of one material present in a given volume of another material.
A reaction in which one element replaces another in a compound or in which two elements in different compounds trade places is called _______ reaction.
This type of change occurs when existing bonds break and new bonds form.
Stays the Same
The amount of matter in a chemical reaction changes or stays the same?
What is the process of making a more complex compound from simpler substances?
The rate of a chemical reaction is ______________ on temperature. (Dependent on or independent of)
A Chemical reaction may be detected by observing changes in the _______ of matter.
chemicals that act as biological catalysts by speeding up reactions in living things are called ________.
Heat is applied
One example of how is activation energy supplied to begin a reaction?
they study of matter and how it changes
What is chemistry?
The production of one or more new substances.
Evidence of a chemical reaction is _______.
A material used to decrease the rate of a chemical reaction is called a _____.
H2O represents a chemical
True or False: The principle of conservation of mass is true for reactions in closed and open systems.
Law of Conservation of Mass
Matter is not created or destroyed