Multiple Choice
Elemental boron can be formed by reaction of boron trichloride with hydrogen. BCl3(g) + 1.5H2(g) → B(s) + 3HCl(g)
Substance: BCl3(g) H2(g) B(s) HCl(g)
S°(J/K·mol) : ? 130.6 5.87 186.8
If ΔS° = 80.3 J/K for the reaction above, what is S° for BCl3(g) ?
A) -18.2 J/K·mol
B) 18.2 J/K·mol
C) 290.1 J/K·mol
D) 355.4 J/K.mol
E) 450.6 J/K·mol
Correct Answer:

Verified
Correct Answer:
Verified
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