4.(a) For the following reactions, using the provided AH and AS data, determinewhether each one would be spontaneous or nonspontaneous at 25°CCO2(g)→CO,(aq)N₂O4(g)→2 NO2(g)CaCO3(s) ----→ Cao (s) + CO2(g)H2 (g) + 12(g) → 2 HI (g)--(b) For each of the non-spontaneous reactions in part (a), calculate the temperatureat which they would be expected to become spontaneous.CompoundCO2(g)CO2 (aq)AHf (kJ/mole)AS (J/mole K)-393.5+213.8-413.8+117.6N₂O49.16+304.4NO₂33.2240.1CaCO3-1207.691.7CaO-634.9+38.112 (g)62.42260.69HI(g)26.5206.6H₂ (g)0130.7

##Since you have posted multiple questions with multiple sub parts, we will provide the solution…

(a) For the following reactions, using the provided AH and AS data, determine whether each one would be spontaneous or nonspontaneous at 25°C COz(g) — > CO,(ag) N₂O4(g) →2 NO2(g) CaCO3(s) Cao (s) + CO2(g) H2(g) + 12(g) → 2 HI (g)

(a) For the following reactions, using the provided AH and AS data, determine whether each one would be spontaneous or nonspontaneous at 25°C COz(g) — > CO,(ag) N₂O4(g) →2 NO2(g) CaCO3(s) Cao (s) + CO2(g) H2(g) + 12(g) → 2 HI (g)

Chemistry

10th Edition

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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Question

4.
(a) For the following reactions, using the provided AH and AS data, determine
whether each one would be spontaneous or nonspontaneous at 25°C
CO2(g)
→CO,(aq)
N₂O4(g)
→2 NO2(g)
CaCO3(s) ----→ Cao (s) + CO2(g)
H2 (g) + 12(g) → 2 HI (g)
--
(b) For each of the non-spontaneous reactions in part (a), calculate the temperature
at which they would be expected to become spontaneous.
Compound
CO2(g)
CO2 (aq)
AHf (kJ/mole)
AS (J/mole K)
-393.5
+213.8
-413.8
+117.6
N₂O4
9.16
+304.4
NO₂
33.2
240.1
CaCO3
-1207.6
91.7
CaO
-634.9
+38.1
12 (g)
62.42
260.69
HI(g)
26.5
206.6
H₂ (g)
0
130.7

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