What is the value of ∆G°(kJ mol–1 ) for this reaction at 175.4 oC ?   The data refer to 25 oC:                                                   2 NO(g) + Cl2(g)  ⟶ 2 NOCl(g) Substance NO(g) Cl2(g) NOCl(g) ∆H°f (kJ mol–1) 90.29 0 51.71 ∆G°f (kJ mol–1) 86.60 0 66.07 S° (J K–1 mol–1) 210.65 223.0 261.6   (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation--examples include 1.23 and 120. and -123 and 123. and 12.3)   Calculate ΔG in kJ•mol-1 at 298 K for the following reaction: under the following conditions:

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section16.9: Gibbs Free Energy And Biological Systems
Problem 16.13E
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What is the value of ∆G°(kJ mol–1 ) for this reaction at 175.4 oC ?   The data refer to 25 oC:

                                                  2 NO(g) + Cl2(g)  ⟶ 2 NOCl(g)

Substance

NO(g)

Cl2(g)

NOCl(g)

∆H°f (kJ mol–1)

90.29

0

51.71

∆G°f (kJ mol–1)

86.60

0

66.07

S° (J K–1 mol–1)

210.65

223.0

261.6

 

(the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation--examples include 1.23 and 120. and -123 and 123. and 12.3)

 

  1. Calculate ΔG in kJ•mol-1 at 298 K for the following reaction: under the following conditions:  
  2. (the answer should be entered with 3 significant figures; do not enter units; give answer in scientific notation--valid notation examples include 1.23e-8 and 1.23e8 and -1.23e-4 and 1.23e0)
  3. P(A) = 0.397 atm, P(AB) = 0.792 atm
  4. 2 A(g) + B2(s)  →  2 AB(g)    ΔGo = -182 kJ•mol-1 

 

The redox reaction below has a ΔG° value of 209. kJ. Determine the standard cell potential(E°cell) for this reaction.

A2+(aq) + 2B2+(aq) →  A4+(aq) + 2B+(aq)

 

 

Need help with these 3 asap excuse the numbers 

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