(1) ∆E = Q + W

(2) ∆E = Q - W

(3) ∆E = Q

(4) Q = W - ∆E

(1) BCl3 < AlCl3 < GaCl3

(2) GaCl3 < AlCl3 < BCl3

(3) BCl3 < GaCl3 < AlCl3

(4) AlCl3 < BCl3 < GaCl3

(1) K+ and Cl-

(2) K+ and O2-

(3) Ca2+ and Cl-

(4) Ca2+ and O2-

(1) 5/3

(2) 7/5

(3) 9/7

(4) 9/11

(1) Remains constant

(2) Increases

(3) Decreases

(4) Zero

(1) ∆G and ∆H should be negative

(2) ∆H = ∆G = 0

(3) ∆G and ∆Η should be positive

(4) ΔΗ < ∆G