Chemical Reactions and Balancing Equations

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

What type of reaction occurs when the outside of a beaker feels warm during a reaction?

Back

Exothermic

Front

What does the Law of Conservation of Mass state?

Back

The total mass of reactants is always equal to the total mass of products.

Front

How many atoms of carbon are present in the products of the reaction: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂?

Back

6

Front

What is the balanced equation for the reaction: ____ Al + ____ HCl → ____ AlCl₃ + ____ H₂?

Back

2,6,2,3

Front

What are products in a chemical reaction?

Back

Substances formed as a result of a chemical reaction.

Front

What is an endothermic reaction?

Back

A reaction that absorbs heat from its surroundings.

Front

What is an exothermic reaction?

Back

A reaction that releases heat to its surroundings.

Front

What is a chemical equation?

Back

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

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.