The Values of H°_rxn and S°_rxn Are Shown

question 19

Multiple Choice

The values of H°_rxn and S°_rxn are shown for the following equilibrium reaction. What makes the equilibrium constant larger at low temperature? 2NO₂(g) N₂O₄(g) H= -58.02 kJ/mol, S°-176.5 J/mol · K

• A) The negative value of  H  is dominant at all temperatures.
• B) The negative value of  S° is dominant at all temperatures.
• C) The negative value of  S° is combined with the small value of T.
• D) The negative value of  H  is combined with the small value of T.

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