Can steel turn into gas? ( A random question that came to mind. I have no idea if it is or isn't possible.)

How is the composition of a meteorite relevant to finding out the composition of earth's core?

Smog is the term used to describe the combination of fog and smoke

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.