chemical reactions and equations

Front

In a chemical reaction, what are changed into what?

Back

Reactants are changed into Products.

Front

What type of reaction occurs when one element replaces another in a compound?

Back

Single Replacement.

Front

What is the product of the reaction Pb(NO3)2 + KI?

Back

PbI2(s) + KNO3(aq).

Front

What type of reaction is characterized by the formation of a single product from multiple reactants?

Back

Synthesis.

Front

What is a Decomposition reaction?

Back

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

Front

What is the Law of Conservation of Mass?

Back

In a chemical reaction, matter is neither created nor destroyed.

Front

Why must the number of atoms be the same on both sides of a chemical equation?

Back

In a chemical reaction, no new atoms can be made.

Front

What is a Double Replacement reaction?

Back

A reaction where two compounds exchange ions to form two new compounds.

Front

What is the role of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance.

Front

What is a Combustion reaction?

Back

A reaction where a substance combines with oxygen, releasing energy in the form of light or heat.