b. Using the following data, please calculate AHºrxn (inkJmol(inmol Kas unit, with 1 decimal) and AG rxn (inSpeciesN₂H4(g)N₂O4(g)N2(g)H₂O(g)AHºfmol95.411.10-241.8kJmolas unit, with 1 decimal) and AS rxnas unit, with 1 decimal).Sᵒ(-mol K238.5304.4191.6188.8c. Calculate the Keq at 1000 K. Give your answer with 3 sig figs.AG°fkJmol159.499.8-228.6 4. Consider the following reaction:2N2H4(g) + N2O4(g) → 3N2(g) + 4H₂O(g)a. Please predict the sign of AS rxn and explain your reasoning.

(a) The given reaction is 2N2H4(g) + N2O4(g) →3N2(g)+4H2O(g) The reactants side has (2+1)=3 gaseous…

b. Using the following data, please calculate AHºrn (in kJ mol (in mol K as unit, with 1 decimal) and AGxn (in Species N₂H4(g) N₂O4(g) N2(g) H₂O(g) AHᵒf ( mol 95.4 11.1 0 -241.8 as unit, with 1 decimal) and ASºrxn mol as unit, with 1 decimal). Sº(- mol K 238.5 304.4 191.6 188.8 c. Calculate the Keq at 1000 K. Give your answer with 3 sig figs. AG°f mol' 159.4 99.8 0 -228.6

b. Using the following data, please calculate AHºrn (in kJ mol (in mol K as unit, with 1 decimal) and AGxn (in Species N₂H4(g) N₂O4(g) N2(g) H₂O(g) AHᵒf ( mol 95.4 11.1 0 -241.8 as unit, with 1 decimal) and ASºrxn mol as unit, with 1 decimal). Sº(- mol K 238.5 304.4 191.6 188.8 c. Calculate the Keq at 1000 K. Give your answer with 3 sig figs. AG°f mol' 159.4 99.8 0 -228.6

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

b. Using the following data, please calculate AHºrxn (in
kJ
mol
(in
mol K
as unit, with 1 decimal) and AG rxn (in
Species
N₂H4(g)
N₂O4(g)
N2(g)
H₂O(g)
AHºf
mol
95.4
11.1
0
-241.8
kJ
mol
as unit, with 1 decimal) and AS rxn
as unit, with 1 decimal).
Sᵒ(-
mol K
238.5
304.4
191.6
188.8
c. Calculate the Keq at 1000 K. Give your answer with 3 sig figs.
AG°f
kJ
mol
159.4
99.8
-228.6

4. Consider the following reaction:
2N2H4(g) + N2O4(g) → 3N2(g) + 4H₂O(g)
a. Please predict the sign of AS rxn and explain your reasoning.

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Step 1: Predicting the sign of standard entropy change of reaction

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Step 3: Calculation of standard entropy change of reaction

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Step 5: Calculation of equilibrium constant at 1000 K

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