The value of the equilibrium constant Kc for the reaction N2(g)+3H2(g)⇌2NH3(g) changes in the following manner...

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The value of the equilibrium constant Kc for the reaction N2(g)+3H2(g)⇌2NH3(g) changes in the following manner...

The value of the equilibrium constant Kc for the reaction N2(g)+3H2(g)⇌2NH3(g) changes in the following manner as a function of temperature

Temperature (∘C)	Kc
300	9.6
400	0.50
500	0.058

Part A

Use the standard enthalpies of formation given in Appendix C to determine the ΔH for this reaction at standard conditions.

Express your answer in kilojoules to two decimal places.

Part B

If 0.027 mole of gaseous NH3 is added to a 1.00 L container and heated to 500 ∘C, what is the concentration of NH3 once the sample reaches equilibrium?

Express your answer as a molarity to two significant figures.

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The value of the equilibrium constant Kc for the reaction N2(g)+3H2(g)⇌2NH3(g) changes in the following manner...