What Happens if You DON'T Pull The Oxygen Mask Dropped in Front of You in Planes
Science ABC
Mar 4, 2024 11:00
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What happens if you DON'T pull the oxygen mask on an airplane? Why do you need to tug on it? In this video, we reveal the surprising chemistry behind airplane oxygen masks — there's no oxygen tank onboard! Instead, chemical oxygen generators (oxygen candles) produce oxygen through an exothermic reaction triggered by YOU pulling the mask.
Learn how cabin pressure works at 35,000+ feet, why oxygen masks drop automatically during depressurization, and how sodium chlorate decomposes to produce life-saving oxygen — all triggered by a tiny explosion when you tug the mask!
📚 Topics Covered:
- Why cabins are pressurized at high altitude
- How oxygen masks drop automatically
- Chemical oxygen generators (oxygen candles) explained
- The firing pin and miniature explosion mechanism
- Sodium chlorate decomposition reaction
- Why oxygen candles are used in planes, submarines, and the ISS
⏱️ Timestamps:
👉 Watch Next:
▶ Why Pure Oxygen Will Kill You — https://www.youtube.com/watch?v=MBxwF3J8M8o
▶ Why Don't They Have Parachutes in Commercial Planes? — https://www.youtube.com/watch?v=asTtd2nEd_A
▶ Bird Strike: What Happens When A Bird Strikes An Aircraft? — https://www.youtube.com/watch?v=tkMJRVuOQXM
#AirplaneSafety #OxygenMasks #flighttechnology #aviation #chemistry #scienceabc
References:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1114067/
https://doi.org/10.2514/3.43988
https://www.spacemedicineassociation.org/download/history/history_files_1960/31050407-1.pdf
https://flightsafety.org/ccs/ccs_nov_dec96.pdf
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Voice Over Artist: John Staughton ( https://www.fiverr.com/jswildwood )
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Science & Technology
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