A)
A reaction has an equilibrium constant of Kp=0.280 at 44 ∘C. |
Find ΔG∘rxn for the reaction at this temperature. Find for the reaction at this temperature.
|
B)
Above what temperature does the following reaction become
nonspontaneous?
FeO(s) + CO(g) → CO2(g) + Fe(s) ΔH= -11.0 kJ;
ΔS = -17.4 J/K
Above what temperature does the following reaction become
nonspontaneous?
FeO(s) + CO(g) → CO2(g) + Fe(s) = -11.0 kJ; = -17.4
J/K
191 K |
298 K |
632 K |
This reaction is nonspontaneous at all temperatures. |
This reaction is spontaneous at all temperatures. |
C)
Estimate ΔG°rxn for the following reaction at 387
K.
HCN(g) + 2 H2(g) → CH3NH2(g) ΔH°=
-158.0 kJ; ΔS°= -219.9 J/K
Estimate ΔG°rxn for the following reaction at 387
K.
HCN(g) + 2 H2(g) → CH3NH2(g) ΔH°=
-158.0 kJ; ΔS°= -219.9 J/K
+72.9 kJ |
+61.9 kJ |
-243 kJ |
-72.9 kJ |
+243 kJ |
A) A reaction has an equilibrium constant of Kp=0.280 at 44 ∘C. Find ΔG∘rxn for the...
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