Suppose a reaction has DH > 0 and DS > 0; that is, both enthalpy and entropy changes have positive values. Which of the following statements is true about this reaction? (A) The reaction is spontaneous at all temperatures. (B) The reaction is spontaneous only at high temperatures. (C) The reaction is spontaneous only at low temperatures. (D) The reaction is nonspontaneous at all temperatures.
Suppose a reaction has DH > 0 and DS > 0; that is, both enthalpy and entropy changes have positive values. Which of the following statements is true about this reaction? (A) The reaction is spontaneous at all temperatures. (B) The reaction is spontaneous only at high temperatures. (C) The reaction is spontaneous only at low temperatures. (D) The reaction is nonspontaneous at all temperatures.
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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Suppose a reaction has DH > 0 and DS > 0; that is, both enthalpy and entropy changes have positive values. Which of the following statements is true about this reaction?
(A) The reaction is spontaneous at all temperatures.
(B) The reaction is spontaneous only at high temperatures.
(C) The reaction is spontaneous only at low temperatures.
(D) The reaction is nonspontaneous at all temperatures.
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