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Unformatted text preview: Formation, H f . The formula was the products minus reactants, and coefficients were used as multipliers. You can perform the same operation to find the change in entropy of a reaction. The only difference, entropy is described with S and each compound is described with S . Solve for the S of each reaction below: Compound S Compound S I 2 ( s ) 116.14 I 2 ( g ) 260.58 I ( aq ) 109.40 LiI ( s ) 85.80 NO 2 ( g ) 239.9 Li + ( aq ) 14 N 2 O 4 ( g ) 304.3 Li + ( aq ) + I ( aq ) LiI ( s ) I 2 ( s ) I 2 ( g ) 2 NO 2 ( g ) N 2 O 4 ( g ) 7. Did you answer to the last reaction in number 6 match your prediction in question 5B? 8. Does a positive sign for entropy mean more microstates are possible or fewer? Use an answer from question 6 to support your answer....
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This note was uploaded on 11/29/2011 for the course CHEM 1212 taught by Professor Dockery during the Fall '08 term at Kennesaw.
- Fall '08