(a) Suppose you have four coins, all with tails up. You
Chapter 20, Problem 20.57(choose chapter or problem)
(a) Suppose you have four coins, all with tails up. You nowrearrange them so two heads and two tails are up. What wasthe change in entropy of the coins? (b) Suppose your system isthe 100 coins of Table 20-1; what is the change in entropy of thecoins if they are mixed randomly initially, 50 heads and 50 tails,and you arrange them so all 100 are heads? (c) Comparethese entropy changes to ordinary thermodynamic entropychanges, such as Examples 20-6,20-7, and 20-8.
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