6) Predict the sign of Delta S for each of the following changes K(s) + ½...

Question

Question

6) Predict the sign of Delta S for each of the following changes

K(s) + ½ Br2(s) ? KBr(s)

science chemistry

Answer 1

Answer #1

From standard entropy values

$\Delta S =\sum n \times S(products) - \sum n\times S(reactants)$

$\Delta S =95.94 - [1/2(245.3)+64.67]$

$\Delta S =95.94 - [187.32]$

$\Delta S =-91.38\ J/mol/K$

Sign of Delta S = negative

Answer 2

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