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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: Thermodynamics (C)

Olympiad workbook · NSEC · Thermodynamics (C)

Given Δ_r H^ ^ ^ =-54.08 ~kJ ~mol^ -1 and Δ_r S^ ^ ^ =10.0 ~J ~mol^...

Given

\Delta_r H^{{}^{{}^{\circ}}}=-54.08 \mathrm{~kJ} \mathrm{~mol}^{-1}

and

\Delta_r S^{{}^{{}^{\circ}}}=10.0 \mathrm{~J} \mathrm{~mol}^{-1}

at

25^{{}^{{}^{\circ}}} \mathrm{C}

, the value of

\log _{10} K

for the reaction

\mathrm{A} \rightleftharpoons \mathrm{B}

is

Options

A $3.4$
B $104$
C $0.53$
D $113$

Correct answer

B. $104$

Step-by-step solution

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