ELI5: Explain Like I'm 5

Volatility (chemistry)

Volatility in chemistry describes how easily a substance can turn into a gas or vapor. It’s like the substance is trying to escape from being a liquid or solid and turn into a gas.

Think of your bathtub filled with water. If you leave it alone for a while, eventually the water in your bathtub will turn into steam and disappear into the air. That’s because water is a volatile substance and can easily turn into a gas.

Some substances are less volatile and require more heat or energy to turn into a gas. For example, ice is not very volatile and needs to be heated up a lot to turn into water vapor. On the other hand, rubbing alcohol is very volatile and easily turns into a gas with just a little bit of heat.

Knowing how volatile a substance is can be important in understanding how it behaves in different situations. For example, gasoline is very volatile, which is why you have to be careful around it and keep it away from heat and sparks. It can easily turn into a gas and cause an explosion if exposed to a spark.

So remember, when a substance is volatile, it means it can easily turn into a gas, like water turning into steam. Some substances are more volatile than others, and it’s important to understand how they behave so we can use and handle them safely.