1. Rank the following from lowest to highest entropy. (a) CaH:s (1), CaHso(g), CaoHs (5) (b) Si (s), C (s). Pb (s) 2. Predict the sign of AS for each of the following reactions. (0) x (1)→X (s) (b) 32 (g) 5 Q (g) (c) An endothermic spontaneous reaction.

1. Rank the following from lowest to highest entropy. (a) CaH:s (1), CaHso(g), CaoHs (5) (b) Si (s), C (s). Pb (s) 2. Predict the sign of AS for each of the following reactions. (0) x (1)→X (s) (b) 32 (g) 5 Q (g) (c) An endothermic spontaneous reaction.

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter10: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 10.38PAE: Calculate the standard entropy change for the reaction CO2(g)+2H2O(l)CH4(g)+2O2(g) . What does the...

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Question

1. Rank the following from lowest to highest entropy.
(a) CaH:s (1), CaHao(g), CaoHs (5)
(b) Si (s), C (s), Pb (s)
2. Predict the sign of AS for each of the following reactions.
(a) x (1)→X(s)
(b) 32 (g) 50 (g)
(c) An endothermic spontaneous reaction.

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