Chemical Reactions and Equations*

Front

What are the substances on the right side of a chemical equation called?

Back

Products

Front

What are the REACTANTS in the equation 2C₃H₆ + 9O₂ → 6CO₂ + 6H₂O?

Back

Propane and oxygen

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

How many Hydrogen (H) atoms are in NH₃O₅?

Back

3

Front

Count the atoms in the REACTANTS of the equation CH₄ + 2O₂ → CO₂ + 2H₂O.

Back

C=1 H=4 O=4

Front

What is a chemical reaction?

Back

A process where reactants are transformed into products.

Front

What is a balanced chemical equation?

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What does the arrow in a chemical equation represent?

Back

The direction of the reaction, indicating reactants are converted to products.

Front

What is a coefficient in a chemical equation?

Back

A number placed in front of a compound 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.