What is the reaction catalyzed by aminoacyl-trna synthetases?

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)

What is the oxidation state of an individual bromine atom in nabro3?

How many moles does 80.0 h2o respresent