Unit 3 Flashcard Reaction Types & Balancing Equations

Front

Is this equation balanced? 4Al + 3O2 --> 2Al2O3

Back

No, the equation is not balanced.

Front

What type of reaction is represented by the equation: 4Si + S8 --> 2Si2S4?

Back

Synthesis (Combination) reaction.

Front

How many atoms of aluminum are on each side of the equation: 4Al + 3O2 --> 2Al2O3?

Back

4 atoms of aluminum.

Front

What reaction has the following general formula: AB + CD --> CB + AD?

Back

Double Replacement reaction.

Front

What reaction has the following general formula: A + CD --> C + AD?

Back

Single Replacement reaction.

Front

Define a Synthesis (Combination) reaction.

Back

A reaction where two or more reactants combine to form a single product.

Front

Define a Decomposition reaction.

Back

A reaction where a single compound breaks down into two or more simpler products.

Front

Define a Single Replacement reaction.

Back

A reaction where one element replaces another in a compound.

Front

Define a Double Replacement reaction.

Back

A reaction where the anions and cations of two different compounds switch places.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.