Answer
Soda pop is a mixture of $H_{2}O, CO_{2}$, sugar and other flavoring molecules. Gaseous $CO_{2}$ molecules that are trapped by the $H_{2}O$ molecules are responsible for soda pop fizzing. $CO_{2}$ molecules are forced stay among the liquid $H_{2}O$ molecules by pressure in a closed container. When the container is opened, $CO_{2}$ molecules try to escape from the liquid, creating bubbles.
Work Step by Step
Soda pop is a mixture of $H_{2}O, CO_{2}$, sugar and other flavoring molecules. Gaseous $CO_{2}$ molecules that are trapped by the $H_{2}O$ molecules are responsible for soda pop fizzing. $CO_{2}$ molecules are forced stay among the liquid $H_{2}O$ molecules by pressure in a closed container. When the container is opened, $CO_{2}$ molecules try to escape from the liquid, creating bubbles.