What must occur before clouds can form?

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)

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Which sample at stp has the same number of atoms as 18 liters of ne at stp