Which two of the following statements are false?

(a) q_V = q_P for the reaction N₂(g) + O₂(g) → 2 NO(g);

(b) Δ_rH > 0 for an endothermic reaction;

(c) By convention, the most stable form of an element must always be chosen as the reference form and assigned the value Δ_fH° = 0; 

(d) ΔU and Δ_rH for a reaction can never have the same value; 

(e) Δ_rH < 0 for the neutralization of a strong acid by a strong base.