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21 votes
1 answer
2k views

If aliens lived in a hydrogen (or any flammable gas) based atmosphere, would they perceive oxygen to be flammable?

Energy, fuel, and oxygen are needed for a fire to burn. In a hydrogen chamber, if there was a pipe spewing small amounts of oxygen, could you light the oxygen on fire as it began to mix with the ...
Howzieky's user avatar
  • 321
2 votes
1 answer
58 views

silicon nitride and sCO2

I want to use silicon nitride ball bearings with a reciprocating piston that will be powered by $\ce{CO2}$ liquid heated to $\mathrm{288^oC}$ becoming super critical. That temperature is the maximum ...
cerial's user avatar
  • 23