Draw 2,3-dichloro octane

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)

How many grams of phosphorus are contained in 5.09 moles of phosphorus?

Condensation happens when water vapor cools. true or false? ?