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Air bags are actived when a servere 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:


what mass of NaN3(s) must be reacted to inflate an air bag to 70.0L at 0C and 1.00atm??

  • chemistry -

    Use PV = nRT to calculate n = number of moles N2 needed, then use this example of a stoichiometry problem I've posted to go through the remainder of the problem. You can dispense with step 1, writing the equation.

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