Effect of changed [ ] on an equilibrium
A. Calculate Q with extra 1.50 M n-butane.
INITIALLY: [n] = 0.50 M [iso] = 1.25 M
CHANGE: ADD +1.50 M n-butane What happens ?
Q < K . Therefore, reaction shifts to PRODUCT
Q = [iso] / [n] = 1.25 / (0.50 + 1.50) = 0.63
file://C:\chem_eve\16_butane.mov