Balancing Chemical Equations

Front

What is the right part of a chemical equation called in the reaction 2H₂ + O₂ --> 2H₂O?

Back

Products

Front

Is O₂ an element or a compound?

Back

Element

Front

Is H₂O an element or a compound?

Back

Compound

Front

How many HCl molecules do you need to balance the equation Mg + __HCl --> MgCl₂ + H₂?

Back

2

Front

How many Hydrogen atoms are in 4H₂O?

Back

8

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

What does it mean to balance a chemical equation?

Back

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

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a chemical formula to indicate how many molecules are involved.

Front

What is the law of conservation of mass?

Back

Matter cannot be created or destroyed in a chemical reaction.

Front

What is a chemical equation?

Back

A symbolic representation of a chemical reaction showing the reactants and products.