39. The equilibrium constant K measurements at several different temperatures for a reaction showed the relationship between K and T (in Kelvin): lnK = -1.8 +610×(1/T). Which of the followings is true? (A) This reaction is endothermic (B) The ΔG° of this reaction is +(C) The ΔS° of this reaction is -. (D) The ΔH° of this reaction is . (E) The relationship should be lnK = x/T. The intercept -1.8 must be experimental error.