Here's a Question! - Gas on a Flame
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- Опубліковано 23 кві 2023
- A small amount of vinegar and baking soda are mixed in a beaker next to a lit candle. Once the reaction settles down, the beaker is tilted a bit as it's held near the candle. What happens to the flame?
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#combustion #co2 #heresaquestion
Here's something unexpected caused by CO₂ being heavier than air - if you have a cave that has only one entrance, there might not be enough air movement to keep the CO₂ in the air mixed. It settles down to the bottom in a layer. Climb down into the cave, and you can asphixiate. Trip and fall, and you are in serious trouble. And the depth of this layer rises and falls with the air pressure.
So don't go exploring in caves you don't know!
Sine we react vinger which is Ethanoic acid with baking soda which is Sodium Bio carbonate, it results in salt, water, and carbon dioxide as a result of reacting metal carbonate with acid. As a sequence, the flame went out because of Carbon dioxide.
Ethanoic acid is more commonly known as acetic acid.
But CO2 also contains Oxygen. Why does not it burn?
Because CO2 is already 'burnt'. It's what's made when oxygen combines with carbon. The oxygen isn't free to combine with something else. Now, this isn't true for all oxygen containing molecules. For example, it's really easy to liberate an oxygen atom from hydrogen peroxide (H2O2). It's easy enough that some rockets use it as an oxidizer. But, with carbon dioxide, the oxygen and carbon are bound together tightly enough that additional reactions are difficult.
If carbon dioxide, aka greenhouse gas, is in the atmosphere, (around 0.04%) and it is more dense than other gases in the air, why doesn't it just hang out near the Earth's surface and asphyxiate creatures that live near or at sea level that need oxygen to breathe?
The atmosphere isn't exactly a static thing. There's a lot of movement that mixes things up.
@@JeffersonLab There is also that characteristic of carbon dioxide that makes it able to absorb infrared radiation that comes from the Earth and then release it back to the atmosphere as heat. I am thinking that when it does, it gets warmer and expands making it less dense so it doesn't sink down in the atmosphere but might even rise up.
Too easy