posted by Lindsay .
Write the expression for Kc and Kp for the reaction
PH3BCl3(s) <==> PH3(g) + BCl3(g)
Kc = cocns products/concns reactants
Raise each to power of the coefficients. Kp is same except partial pressure instead of concn.
Solids are not included in either Kc or Kp.