The weights of chickens for sale in a shop are normally distributed with a mean of 2.5
kg and a standard deviation of 0.2kg A
chicken is chosen at random. Find the value
of weight in kg above which 20% of
chickens mark to pts
0 2.33
O 2.57
O 267
O 288​

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)