Prove that:
(iv) cos 200+cos 1000+cos 1400=0
Of the following reactions
(i) A ⇌ B ΔD G0 = 250 kJ mol−1
(ii) D ⇌ E Δ D G0 = -100 kJ mol−1
(iii) F ⇌ G Δ D G0 = -150 kJ mol−1
(iv) M ⇌ N Δ D G0 = 150 kJ mol−1
the reaction with the largest equilibrium constant is
The quadratic equation which has D = 0 and a root as 110 is