Balancing and Classifying Chemical Reactions

Front

What are the reactants in the equation 2Mg + O₂ → 2MgO?

Back

The reactants are Mg and O₂.

Front

What are the substances at the beginning of a chemical equation called?

Back

They are called reactants.

Front

What do the coefficients need to be in the equation _Mg + _Cl₂ → _MgCl₂ in order to be balanced?

Back

The equation is already balanced.

Front

What type of reaction is represented by FeS + 2 HCl → FeCl₂ + H₂S?

Back

This is a double displacement reaction.

Front

What is everything to the right of the arrow in a chemical reaction called?

Back

They are called products.

Front

Define a synthesis reaction.

Back

A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product.

Front

What is a decomposition reaction?

Back

A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler products.

Front

What is a single displacement reaction?

Back

A single displacement reaction is a type of reaction where one element replaces another in a compound.

Front

What is a double displacement reaction?

Back

A double displacement reaction is a type of reaction where two compounds exchange ions or bonds to form two new compounds.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.