🤓 Based on our data, we think this question is relevant for Professor Gillespie's class at FIU.

Solution: What would be the signs of ∆H and ∆S for the reaction AB4(g) → AB3(g) + B(g) ? 1. Both zero. 2. ∆H = +, ∆S = − 3. Impossible to tell from the information given. 4. Both positive.  5. ∆H = −, ∆S = 0 6. ∆H = 0, ∆S = − 7. ∆H = −, ∆S = + 8. Both negative. 9. ∆H = +, ∆S = 0 10. ∆H = 0, ∆S = +

Problem

What would be the signs of ∆H and ∆S for the reaction

AB4(g) → AB3(g) + B(g) ?

1. Both zero.

2. ∆H = +, ∆S = −

3. Impossible to tell from the information given.

4. Both positive. 

5. ∆H = −, ∆S = 0

6. ∆H = 0, ∆S = −

7. ∆H = −, ∆S = +

8. Both negative.

9. ∆H = +, ∆S = 0

10. ∆H = 0, ∆S = +