LIST and DESCRIBE properties of synthetic materials that make them useful in our current world? pls help

Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?

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.

Draw the structure for 5-isopropyl-2-methyl-3-nonene