How much heavier is halon compared to air?

Halon is approximately five times heavier than air, which is why this answer is considered correct. The weight of a gas can be compared to air using its density. Air has a standard density of about 1.225 kg/m^3 at sea level and at standard temperature and pressure. Halon, depending on its specific type (for example, Halon 1301), has a density of around 3.5 kg/m^3. When you divide the density of halon by the density of air, it shows that halon is significantly denser, which directly translates to being heavier in comparison to air.

Understanding this concept is important, especially in contexts such as fire suppression, where the properties of gases like halon are critical for effective use. As a heavier gas, halon will tend to stay closer to the ground, which can influence its effectiveness and behavior during a fire, necessitating careful consideration of its properties for safe and effective application.