Which conservation law is violated in each of these proposed reactions and decays? (Assume that the products have zeroed orbital angular momentum.)

(a) A0 → p + K-;

(b) Ω- → Σ- + π0 (S = -3, q = -1, m = 1627 MeV/c2, and ms = 3/2 for Ω-);

(c) K- + p → A0 + π+.