Consider the following equilibrium: CuO(s) + H2(3) = Cu(s) + H2O(g) a) Using the standard chemical thermodynamic properties listed below, calculate the equilibrium constant for the reaction at T 800 K. Be sure to show any intermediate values in your calculation, but you do not need to write out the equations. Substance CuO(s) H2(g) Cu(s) H2O(g) AHC (298.15 K) [kJ mol-1] S° (298.15 K) JK-1 mol-'] -157.3 -241.82 42.63 130.57 33.15 188.72

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Chapter12: Chemical Equilibrium
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Consider the following equilibrium:
CuO(s) + 'H2(3) = Cu(s) + H2O(g)
a) Using the standard chemical thermodynamic properties listed below, calculate the equilibrium
constant for the reaction at T 800 K. Be sure to show any intermediate values in your calculation,
but you do not need to write out the equations.
Substance
CuO(s)
H2(g)
Cu(s)
H20(g)
AHC (298.15 K)
[kJ mol-1]
S° (298.15 K)
JK-1 mol-1]
-157.3
-241.82
42.63
130.57
33.15
188.72
b) Indicate the assumption(s) that you made in part a).
c) At T = 800 K, a fixed container was filled with 20 atm H2(g), 50 atm H2O(g), 100 g CuO(s) and 30 g
Culg). Calculate the reaction quotient and identify towards which direction the equilibrium will shift.
Transcribed Image Text:Consider the following equilibrium: CuO(s) + 'H2(3) = Cu(s) + H2O(g) a) Using the standard chemical thermodynamic properties listed below, calculate the equilibrium constant for the reaction at T 800 K. Be sure to show any intermediate values in your calculation, but you do not need to write out the equations. Substance CuO(s) H2(g) Cu(s) H20(g) AHC (298.15 K) [kJ mol-1] S° (298.15 K) JK-1 mol-1] -157.3 -241.82 42.63 130.57 33.15 188.72 b) Indicate the assumption(s) that you made in part a). c) At T = 800 K, a fixed container was filled with 20 atm H2(g), 50 atm H2O(g), 100 g CuO(s) and 30 g Culg). Calculate the reaction quotient and identify towards which direction the equilibrium will shift.
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