Front

During a chemical reaction, atoms ________.

Back

get rearranged.

Front

How many Mn atoms are found in the reactants of the equation 3 Cr(MnO4)6 + 6 Na3N?

Back

18

Front

Balance this equation: _CH4 + _O2 --> _CO2 + _H2O

Back

1,2,1,2

Front

Identify the reactant(s) and product(s) of the reaction: Hydrogen and oxygen are the reactants, and water is the product.

Back

Hydrogen and oxygen are the reactants, and water is the product.

Front

Balance this equation: _SnO2 + _H2 --> _Sn + _H2O

Back

1,2,1,2

Front

What is a chemical reaction?

Back

A process where reactants transform into products through the rearrangement of atoms.

Front

Define a reactant in a chemical reaction.

Back

A substance that undergoes change during a chemical reaction.

Front

Define a product in a chemical reaction.

Back

A substance that is formed as a result of a chemical reaction.

Front

What is the law of conservation of mass?

Back

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

Front

What does it mean to balance a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.