Chemistry

Problem

Calculate the entropy of

\text{Br}_2(\text{g})

in the reaction

\text{H}_2(\text{g}) + \text{Br}_2(\text{g}) \rightarrow 2\text{HBr}(\text{g})

\Delta S^\circ = 20.1 \text{ J K}^{-1}

given, entropy of

\text{H}_2

and

\text{HBr}

130.6

and

198.5 \text{ J K}^{-1}

: (1)

246.3 \text{ J K}^{-1}

(2)

123.15 \text{ J K}^{-1}

(3)

24.63 \text{ J K}^{-1}

(4)

20 \text{ K J K}^{-1}