Flashcard: Types of Chemical Reactions and Balancing Equations

Front

What must be true about the number of atoms in a chemical reaction?

Back

The number of atoms you begin with must be the same as the number of atoms you end with.

Front

How do you balance the equation: ____ Fe + ____ Cl₂ → ____ FeCl₃?

Back

The balanced equation is 2 Fe + 3 Cl₂ → 2 FeCl₃.

Front

What are the starting materials in a chemical reaction called?

Back

Reactants.

Front

What type of reaction is represented by the equation: C₇H₁₆ + 10 O₂ → 7 CO₂ + 8 H₂O?

Back

Combustion.

Front

What can you change when balancing chemical equations?

Back

You can only add, change, and remove coefficients.

Front

Define 'Chemical Reaction'.

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is a 'Product' in a chemical reaction?

Back

The substances that are 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 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 a 'Synthesis Reaction'?

Back

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