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Is there a known gas that would combust by there mere action of mixing with oxygen? So, we could put this hypothetical gas in a balloon, and if the balloon popped, it would combust and explode.

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closed as too broad by A.K., Jon Custer, Mithoron, airhuff, aventurin Oct 18 '18 at 16:32

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    $\begingroup$ Phosphine - PH3 $\endgroup$ – Waylander Oct 16 '18 at 21:41
  • $\begingroup$ Well, any pyrophoric gas would do. Phosphine is just one of them. $\endgroup$ – Jon Custer Oct 16 '18 at 21:49
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    $\begingroup$ @user69077 Phosphine, silane, borane. $\endgroup$ – A.K. Oct 16 '18 at 21:58
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    $\begingroup$ Disilane is way more exciting than silane. $\endgroup$ – Jon Custer Oct 16 '18 at 22:03
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    $\begingroup$ Dichlorosilane will go too $\endgroup$ – Waylander Oct 16 '18 at 22:04
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Edit: Many gasses have this capability, called pyrophoric gasses. These include Phosphine, silane, borane, and more

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    $\begingroup$ Note that phosphine is not an element, it is a molecule. $\endgroup$ – Jon Custer Oct 16 '18 at 21:50
  • $\begingroup$ To nitpick phosphine isn't an "element" but rather a "compound." $\endgroup$ – MaxW Oct 16 '18 at 21:51
  • $\begingroup$ Thank you, I didn't realize I had put element. $\endgroup$ – Connor Milligan Oct 16 '18 at 21:52

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