17) Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements:

2NaN3 (s)  2Na (s) + 3N2 (g)

How many moles of N2 are produced by the decomposition of 5.25 mol of sodium azide?
A) 5.25
B) 8.64
C) 7.88
D) 0.960
E) 1.44

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A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present