The modern periodic table is organized according to atomic mass true or false

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)

What will most likely happen when two bromine atoms bond together?

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work