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May 27, 2015

Homework Help: Chemistry

Posted by Matthew on Sunday, November 18, 2012 at 3:15pm.

Air bags are activated when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. This causes sodium azide (NaN3) to decompose explosively according to the following reaction.
2 NaN3(s)--> 2 Na(s) + 3 N2(g)
What mass of NaN3(s) must be reacted in order to inflate an air bag to 67.5 L at STP?

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