2. How many moles in 2.25 x 1028 molecules?

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration?

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)