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Sedaia [141]
3 years ago
15

For a certain chemical reaction, the standard Gibbs free energy of reaction at 10.0 °C is 149. kJ. Calculate the equilibrium con

stant K for this reaction to 2 significant digits. Round your answer K ?
Chemistry
2 answers:
leonid [27]3 years ago
8 0

Answer:

This is confusing

Explanation:

marishachu [46]3 years ago
7 0

<u>Answer:</u> The equilibrium constant for this reaction is 3.1\times 10^{-28}

<u>Explanation:</u>

To calculate the equilibrium constant (at 15°C) for given value of Gibbs free energy, we use the relation:

\Delta G^o=-RT\ln K_{eq}

where,

\Delta G^o = standard Gibbs free energy = 149. kJ/mol = 149000 J/mol  (Conversion factor: 1 kJ = 1000 J )

R = Gas constant = 8.314J/K mol

T = temperature = 15^oC=[273+15]K=283K

K_{eq} = equilibrium constant at 10°C = ?

Putting values in above equation, we get:

149000J/mol=-(8.314J/Kmol)\times 283K\times \ln K_{eq}\\\\K_{eq}=3.1\times 10^{-28}

Hence, the equilibrium constant for this reaction is 3.1\times 10^{-28}

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