Four locations on earth receive sunlight at different angles. at which of the following angles will the intensity of sunlight received be the greatest? a. 90° b. 75° c. 50° d. 25°

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)