Consider the following equilibrium: MnO(s) + H2(g)– Mn(s) + H2O(g) a) Using the standard chemical thermodynamic properties listed below, calculate the equilibrium constant for the reaction at T = 1000 K. Be sure to show any intermediate values in your calculation, but you do not need to write out the equations. MnO(s) H2(g) Substance AH° (298.15 K) [kJ mol-1] S° (298.15 K) [J K-1 mol-1]. Mn(s) H2O(g) -385.22 -241.82 59.71 130.57 32.01 188.72

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Consider the following equilibrium:
MnO(s) + H2(g) S Mn(s) + H2O(g)
a) Using the standard chemical thermodynamic properties listed below, calculate the equilibrium
constant for the reaction at T = 1000 K. Be sure to show any intermediate values in your calculation,
but you do not need to write out the equations.
Substance
MnO(s)
H2(g)
Mn(s)
H2O(g)
AH° (298.15 K)
[kJ mol-1]
S° (298.15 K)
[J K-1 mol-1]
-385.22
-241.82
59.71
130.57
32.01
188.72
b) Indicate the assumption(s) that you made in part a).
c) At T = 1000 K, a fixed container was filled with 25 atm H2(g), 80 atm H20(g), 120 g MnO(s) and 50
g Mn(g). Calculate the reaction quotient and identify towards which direction the equilibrium will
shift.
Transcribed Image Text:Consider the following equilibrium: MnO(s) + H2(g) S Mn(s) + H2O(g) a) Using the standard chemical thermodynamic properties listed below, calculate the equilibrium constant for the reaction at T = 1000 K. Be sure to show any intermediate values in your calculation, but you do not need to write out the equations. Substance MnO(s) H2(g) Mn(s) H2O(g) AH° (298.15 K) [kJ mol-1] S° (298.15 K) [J K-1 mol-1] -385.22 -241.82 59.71 130.57 32.01 188.72 b) Indicate the assumption(s) that you made in part a). c) At T = 1000 K, a fixed container was filled with 25 atm H2(g), 80 atm H20(g), 120 g MnO(s) and 50 g Mn(g). Calculate the reaction quotient and identify towards which direction the equilibrium will shift.
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