Question

The diagram above represents the gas-phase reaction of NO2(g) to form N2O4(g) at a certain temperature. Based on the diagram, which of the following best predicts and explains the sign of the entropy change for the reaction, ?S°rxn ? A ?S°rxn is negative because the number of N2O4 molecules increases as the reaction proceeds. B ?S°rxn is negative because the number of molecules in the gas phase decreases as the reaction proceeds. C ?S°rxn is positive because the number of N2O4 molecules increases as the reaction proceeds. D ?S°rxn is positive because the number of molecules in the gas phase decreases as the reaction proceeds.

          The diagram above represents the gas-phase reaction of NO2(g) to form N2O4(g) at a certain temperature. Based on the diagram, which of the following best predicts and explains the sign of the entropy change for the reaction, ?S°rxn ?

A ?S°rxn is negative because the number of N2O4 molecules increases as the reaction proceeds.
B ?S°rxn is negative because the number of molecules in the gas phase decreases as the reaction proceeds.
C ?S°rxn is positive because the number of N2O4 molecules increases as the reaction proceeds.
D ?S°rxn is positive because the number of molecules in the gas phase decreases as the reaction proceeds.

The diagram above represents the gas-phase reaction of NO2(g) to form N2O4(g) at a certain temperature. Based on the diagram, which of the following best predicts and explains the sign of the entropy change for the reaction, ?S°rxn ?

A ?S°rxn is negative because the number of N2O4 molecules increases as the reaction proceeds.
B ?S°rxn is negative because the number of molecules in the gas phase decreases as the reaction proceeds.
C ?S°rxn is positive because the number of N2O4 molecules increases as the reaction proceeds.
D ?S°rxn is positive because the number of molecules in the gas phase decreases as the reaction proceeds.

Added by Danielle T.

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