Classify each of the following reactions as one of the four possible types summarized in Table 19.3: (i) spontaneous at all temperatures; (ii) not spontaneous at any temperature; (iii) spontaneous at low T but not spontaneous at high T; (iv) spontaneous at high T but not spontaneous atlow T.(a) N21g2 + 3 F21g2 ¡ 2 NF31g2 ∆H° = -249 kJ; ∆S° = -278 J>K(b) N21g2 + 3 Cl21g2 ¡ 2 NCl31g2 ∆H° = 460 kJ; ∆S° = -275 J>K(c) N2F41g2 ¡ 2 NF21g2 ∆H° = 85 kJ; ∆S° = 198 J>K
Classify each of the following reactions as one of the four possible types summarized in Table 19.3: (i) spontaneous at all temperatures; (ii) not spontaneous at any temperature; (iii) spontaneous at low T but not spontaneous at high T; (iv) spontaneous at high T but not spontaneous atlow T.(a) N21g2 + 3 F21g2 ¡ 2 NF31g2 ∆H° = -249 kJ; ∆S° = -278 J>K(b) N21g2 + 3 Cl21g2 ¡ 2 NCl31g2 ∆H° = 460 kJ; ∆S° = -275 J>K(c) N2F41g2 ¡ 2 NF21g2 ∆H° = 85 kJ; ∆S° = 198 J>K
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Classify each of the following reactions as one of the four possible types summarized in Table 19.3: (i) spontaneous at all temperatures; (ii) not spontaneous at any temperature; (iii) spontaneous at low T but not spontaneous at high T; (iv) spontaneous at high T but not spontaneous at
low T.
(a) N21g2 + 3 F21g2 ¡ 2 NF31g2 ∆H° = -249 kJ; ∆S° = -278 J>K
(b) N21g2 + 3 Cl21g2 ¡ 2 NCl31g2 ∆H° = 460 kJ; ∆S° = -275 J>K
(c) N2F41g2 ¡ 2 NF21g2 ∆H° = 85 kJ; ∆S° = 198 J>K
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