The air bags in automobiles were once inflated by nitrogen gas generated by the rapid decomposition...

Question

Question

science chemistry

Answer 1

Answer #1

Given:

P = 1.13 atm

V = 43.8 L

T = 22.4 oC

= (22.4+273) K

= 295.4 K

find number of moles using:

P * V = n*R*T

1.13 atm * 43.8 L = n * 0.08206 atm.L/mol.K * 295.4 K

n = 2.042 mol

This is number of mol of N2 formed.

From reaction,

Mol of NaN3 required = (2/3)*mol of N2 formed

= (2/3)*2.042 mol

= 1.36 mol

Answer: 1.36 mol

Answer 2

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