Which particle has the least mass ? alpha particle B. beta particle neutronproton

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)

Select the correct answer. wax is a nonpolar substance. in which type of substance is it most soluble?

Describe two techniques used to measure the ph of a solution