HARDMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryThermodynamics and ThermochemistryAchiever Section

Find r S at 320 K for the reaction is:

A.152.6 J/K-mol

B.181.6 J/K-mol

C.-16 J/K-mol

D.-18.58✓ Correct

Explanation

3 2 o o o 1 1 r CH OH CO H S S S S 16JK mol 3 o o o 1 r CH OH CO f 2 H H 2 H H 87 kJ mol o o r 320 r 300 r p 2 1 S S C T T Where, o r p C 44 29.4 2 28.8 x 43J / K mol o r 320 320 S 16 43 ln 320 18.58 THERMODYNAMICS AND THERMOCHEMISTRY 65

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