Explain processes will be positive or negative

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Reference no: EM13242948

State whether the sign of the entropy change of the following processes will be positive or negative.

a. PCl3 (l) + Cl2 (g) -> PCl5 (s)

b. 2HgO (s) -> 2Hg (l) + O2 (g)

c. H2 (g) -> 2H (g)

d. U (s) + 3F2 (g) -> UF6 (s)

Reference no: EM13242948

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