Why can't ammonium nitrite be used to prepare nitrogen gas?

"the periodic table is arranged in order of atomic number."

i think the answer is terrae but not 100 percent sure. ▓▬▬ §

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".

the answer is a! (2.9 x 10^-18 j) hope i could someone. : )