8. In the hydrogen atom spectrum, for which of the following transitions the light emission has the longestwavelength?(A) n = 6 to n = 5 (B) n = 5 to n = 4 (C) n = 4 to n = 3 (D) n = 3 to n = 2

9. Which of the following statements is true?(A) Water evaporated spontaneously at 1 atm and 101 ˚C because liquid water has the larger entropy thanits vapor at this condition.(B) Water evaporated spontaneously at 1 atm and 101 ˚C because liquid water has the larger free energythan its vapor at this condition.(C) Water evaporated spontaneously at 1 atm and 101 ˚C because liquid water has the larger enthalpy thanits vapor at this condition.(D) none of these.

8. In the hydrogen atom spectrum, for which of the following transitions the light emission has the longest
wavelength?
(A) n = 6 to n = 5
(B) n = 5 to n = 4
(C) n = 4 to n = 3
(D) n = 3 to n = 2

相關試題

相關試卷

8. In the hydrogen atom spectrum, for which of the following transitions the light emission has the longestwavelength?(A) n = 6 to n = 5(B) n = 5 to n = 4(C) n = 4 to n = 3(D) n = 3 to n = 2

相關試題

相關試卷

8. In the hydrogen atom spectrum, for which of the following transitions the light emission has the longest
wavelength?
(A) n = 6 to n = 5
(B) n = 5 to n = 4
(C) n = 4 to n = 3
(D) n = 3 to n = 2