Consider the reaction Fe 2 O 3 ( s ) + 3 H 2 ( g ) → 2 Fe ( s ) + 3 H 2 O ( g ) a. Use Δ G f ∘ values in Appendix 4 to calculate ∆G ° for this reaction. b. Is this reaction spontaneous under standard conditions at 298 K? c. The value of ∆H ° for this reaction is 100. kJ. At what temperatures is this reaction spontaneous at standard conditions? Assume that ∆H ° and ∆S ° do not depend on temperature.
Consider the reaction Fe 2 O 3 ( s ) + 3 H 2 ( g ) → 2 Fe ( s ) + 3 H 2 O ( g ) a. Use Δ G f ∘ values in Appendix 4 to calculate ∆G ° for this reaction. b. Is this reaction spontaneous under standard conditions at 298 K? c. The value of ∆H ° for this reaction is 100. kJ. At what temperatures is this reaction spontaneous at standard conditions? Assume that ∆H ° and ∆S ° do not depend on temperature.
Solution Summary: The author explains that the value of DeltaG for the given reaction is to be calculated.
Fe
2
O
3
(
s
)
+
3
H
2
(
g
)
→
2
Fe
(
s
)
+
3
H
2
O
(
g
)
a. Use
Δ
G
f
∘
values in Appendix 4 to calculate ∆G° for this reaction.
b. Is this reaction spontaneous under standard conditions at 298 K?
c. The value of ∆H° for this reaction is 100. kJ. At what temperatures is this reaction spontaneous at standard conditions? Assume that ∆H° and ∆S° do not depend on temperature.
Using the following two half-reactions, determine the pH range in which $NO_2^-\ (aq)$ cannot be found as the predominant chemical species in water.* $NO_3^-(aq)+10H^+(aq)+8e^-\rightarrow NH_4^+(aq)+3H_2O(l),\ pE^{\circ}=14.88$* $NO_2^-(aq)+8H^+(aq)+6e^-\rightarrow NH_4^+(aq)+2H_2O(l),\ pE^{\circ}=15.08$
Indicate characteristics of oxodec acid.
What is the final product when hexanedioic acid reacts with 1º PCl5 and 2º NH3.
Chapter 16 Solutions
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