A sealed container contains 90 % hydrogen and 10 % oxygen. There is a spark in the container. What happens? [closed]








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A sealed container contains 90 % hydrogen and 10 % oxygen. There is a spark in the container. What happens?
Assuming it is a 10-litre volume container like a fuel tank. 




[Boom!](https://en.wikipedia.org/wiki/Hydrogen_safety#Mixtures)



> 
> "The flammability limits based on the volume percent of hydrogen in air at 14.7 psia (1 atm, 101 kPa) are 4.0 and 75.0. The flammability limits based on the volume percent of hydrogen in oxygen at 14.7 psia (1 atm, 101 kPa) are 4.0 and 94.0."
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Quoted from:


Gregory, Frederick D. (February 12, 1997). "Safety Standard for Hydrogen and Hydrogen Systems" (PDF). NASA. Retrieved 2008-05-09.


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