The safety air bags in automobiles are inflated by nitrogen gas generated by rapid decomposition of sodium azide (nan 3).

2nan3> 2na+3n2

if an airbag has a volume of 26l and is to be filled with nitrogen gas at a pressure of 1.15atm. at a temperature of 260c, how many grams of nan, must be decomposed?

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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