14. The reaction C(s) + CO2(g) 2CO(g) is spontaneous only at temperatures in excess of  1100 K. We can conclude that A) is positive and is negative. H° S° B) H° is negative and S° is negative. C) is positive and is positive. H° S° D) is negative and is positive. H° S° E) is negative for all temperatures. G° Answer Key 1. B 2. B 3. D 4. C 5. D 6. D 7. D 8. A 9. E 10. A 11. A 12. A 13. E 14. C
14. The reaction C(s) + CO2(g)  2CO(g) is spontaneous only at temperatures in excess of 1100 K. We can conclude that A) H° is positive and S° is negative. B) H° is negative and S° is negative. C) H° is positive and S° is positive. D) H° is negative and S° is positive. E) G° is negative for all temperatures. Answer Key 1. B 2. B 3. D 4. C 5. D 6. D 7. D 8. A 9. E 10. A 11. A 12. A 13. E 14. C
THERMODYNAMICS%20CHAPTER%2018%20WORKSHEET(A).docx