How much gasoline evaporates in one hour?
2 Answers
Under normal temperature, 1 kilogram of gasoline can evaporate to produce 400 liters of gasoline vapor. Here are the relevant details: 1. Gasoline's volatility: The evaporation rate of gasoline is essentially a matter of its evaporation index, which refers to the property of gasoline transforming from a liquid to a gaseous state. According to relevant tests, under conditions of indoor temperature at 28°C and relative humidity at 85%, the evaporation rate of gasoline reaches 55% after 20 minutes. 2. Distillation range: Under normal temperature, 1 kilogram of gasoline can evaporate to produce 400 liters of gasoline vapor. Generally, substances evaporate fastest near their boiling points, but gasoline is a mixture and does not have a fixed boiling point. Instead, it has a distillation range, typically between 30 and 205 degrees.
Oh, I remember last week when I was pouring gasoline in the garage, I forgot to put the cap back on. After just about an hour, I noticed the bottle felt much lighter and the smell of gasoline was really strong. Gasoline is prone to evaporation, especially in high-temperature environments like summer when the air conditioning isn't on—it evaporates even faster. The surface area also has a big impact; a large open container can lose dozens of times more gasoline than a small can. Wind speed matters too—a fan blowing on it will speed up evaporation. Generally, a rough estimate is that at room temperature, about half a cup's volume can evaporate in an hour, but it's hard to say exactly because conditions vary so much. Later, I learned to tighten the cap right away to avoid waste and safety risks, as it's also a fire hazard. So now, I'm extra careful when storing gasoline—using sealed containers to reduce risks and ensuring the garage is well-ventilated to prevent accidents.
