Homework Help: Chemistry

Posted by Bles on Tuesday, August 23, 2011 at 4:53pm.

utomotive air bags inflate when sodium azide, NaN3, rapidly decomposes to its component elements.
2 NaN3(s) → 2 Na(s) + 3 N2(g)
(a) How many moles of N2 are produced by the decomposition of 3.50 moles of NaN3?
(b) How many grams of NaN3 are required to form 16.0 g of nitrogen gas?
(c) How many grams of NaN3 are required to produce 19.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L?

Chemistry - DrBob222, Tuesday, August 23, 2011 at 6:04pm
This is a stoichiometry problem. Here is a step by step procedure for working such problems. Note that in c the 19.0 ft^3 must be converted to the metric system in order to use the density in the metric system.
http://www.jiskha.com/science/chemistry/stoichiometry.html

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