25. Absorption of what type of electromagnetic radiation results in transitions among allowed nuclear spin states?(A)Microwave(B)Radio wave(C)Ultraviolet light(D)Infrared light

28. Which of the following reactions would have a negative \(\Delta S^\circ\)?(A)\(\text{H}_2\text{(g)} \to 2\text{H(g)}\)(B)\(\text{H}_2\text{(l)} \to \text{H}_2\text{(g)}\)(C)\(\text{H}_2\text{(g)} + \text{Cl}_2\text{(g)} \to 2\text{HCl(g)}\)(D)\(2\text{H}_2\text{(g)} + \text{CO(g)} \to \text{CH}_3\text{OH(g)}\)