Ch.16 Equilibrium Flashcards
equilibrium
when rates of the forward reaction and reverse reaction are continuously about the same. (most reactions stop with a mix of products and reactants.
reaction quotient equation
([C]^c[D]^d)/[A]^a[B]^b
what is Qc (reaction quotient) equal to at equilibrium?
Kc
Possible outcomes of Kc
large kc: products favored
small kc: reactants favored
average kc: neither favored, at equilibrium
gaseous equilibrium (Kp) equation
Kp= (Partial pressure of products)^number of moles/ Partial pressure of reactants^number of moles.
relationship b/w Kc and Kp
Kp= Kc[(0.08206 Latm/Kmol)*T]^change in n (moles of gaseous products - moles of gaseous reactants.
relationship between K and change in G knot
K»1 means change in G knot is neg.
K«1 means change in G knot is positive.
Q
reactants must be converted to products to reach equilibrium.
Q>K
products must be converted to reactants to reach equilibrium.