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    Exam 10: Entropy and the Second Law of Thermodynamics
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    Without Detailed Calculations, Predict the Sign of Δ S for the System
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Without Detailed Calculations, Predict the Sign of Δ S for the System

Question 15

Question 15

Multiple Choice

Without detailed calculations, predict the sign of Δ S for the system for:
Mg( s ) + O2( g ) → MgO( s )


A) positive (+)
B) negative ( − )
C) zero
D) too little information to assess the change

Correct Answer:

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