TYpes of chemical reaction Flashcards
remenber the types of reaction
What is a chemical reaction?
A process in which some substances change into different substances
Reactants or products can be elements or compounds.
How are chemical reactions represented?
By chemical equations, where reactants are on the left and products are on the right
Connected by an arrow.
What are the five major categories of chemical reactions?
- Synthesis or Combination Reaction
- Decomposition
- Single Replacement
- Double Replacement
- Combustion
What is a synthesis reaction?
A reaction in which two or more different substances combine to form one compound
Can involve elements or compounds.
What happens in a decomposition reaction?
One compound breaks down into two or more simpler substances.
What is a single replacement reaction?
A reaction where one element replaces another element in a compound
Also called single displacement.
What occurs in a double replacement reaction?
The positive ions in two compounds switch places, forming two new compounds
Also called double displacement.
What defines a combustion reaction?
A substance reacts with oxygen and releases energy.
What are the products of the combustion of a hydrocarbon?
CO2 and H2O.
Fill in the blank: A chemical reaction is a process in which some substances change into _______.
[different substances]
