Answered: How many of the following three choices…

How many of the following three choices demonstrate a positive change in entropy? MgCl₂ (s) Mg2+ (aq) + 2 Cl 1 2 H₂O (1) CaCl₂ (s) 0⁰ 2 3 - 1 2 H₂ (g) + O₂ (8) Ca2+ (aq) + 2 CI 118

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter17: Chemcial Thermodynamics

Section: Chapter Questions

Problem 17.65QE

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Question

How many of the following three choices demonstrate a positive change in entropy?
MgCl₂ (s)→ Mg2+ (aq) + 2 CI
2 H₂O (1)→ 2 H₂ (g) + O₂ (g)
CaCl₂ (s) Ca2+ (aq) + 2 CI
0⁰
1
2
3
-
111

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