The two subspecialties of astronomy are ?

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 atoms are in 2 moles of phosphorus?

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?