Can i please get help on these questionsTIMEDD

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8