Consider the following reaction under the standard state. 2 NO3 (g) = 2 NO2 (g) + 02 (g) The standard molar enthalpy of formation and the standard molar entropy of recants and products are given below. NO3 (g) NO2 (g) 02 (g) AH°F (k//mol) 70.92 33.18 s°m U/K-mol) 252.55 239.95 205.03 Note that AHOf and S°m are temperature independent. Which of the following statements is true about the above reaction?
Consider the following reaction under the standard state. 2 NO3 (g) = 2 NO2 (g) + 02 (g) The standard molar enthalpy of formation and the standard molar entropy of recants and products are given below. NO3 (g) NO2 (g) 02 (g) AH°F (k//mol) 70.92 33.18 s°m U/K-mol) 252.55 239.95 205.03 Note that AHOf and S°m are temperature independent. Which of the following statements is true about the above reaction?
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Consider the following reaction under the standard state.
2 NO3 (g) = 2 NO2 (g) + 02 (g)
The standard molar enthalpy of formation and the standard molar entropy of recants and products are given
below.
NO3 (g)
NO2 (g)
02 (g)
AH°F (k/mol)
70.92
33.18
s°m U/K-mol)
252.55
239.95
205.03
Note that AHOf and S°m are temperature independent.
Which of the following statements is true about the above reaction?
a. The reaction is endothermic.
b.The reaction is product-favored at 25 °C.
c. Under the standard state, the reaction is non-spontaneous at all temperatures.
Under the standard state, the Gibbs free energy change of the reaction AG°rxn increases as temperature is
d.
increased.
O e. The Gibbs free energy change of the reaction will become zero at high enough temperatures.
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