How many moles of N are in 0.207 g of N20?​

Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)

Gymnast always perform on padded mats. how does the mats protect the gymnast

Calculate the number of moles of ethane in 100 grams