Chemistry Practice Problems Entropy Practice Problems Solution: Balance the following reaction and then solve for ...

Solution: Balance the following reaction and then solve for the ∆S (J/K-mol) for this reaction. Li (g) + H2(g) → LiH (s) With S° (J/K-mol) value of LiH = 20.0          Li = 138.7        H   2 = 130.6 A. −368.0 B. −249.3 C. −106.8 D. 249.3 E. 368.0  

Problem

Balance the following reaction and then solve for the ∆S (J/K-mol) for this reaction.

Li (g) + H2(g) → LiH (s)

With S° (J/K-mol) value of LiH = 20.0          Li = 138.7        H   2 = 130.6

A. −368.0

B. −249.3

C. −106.8

D. 249.3

E. 368.0