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For the Nitrogen Fixation Reaction 3H2(g)+ N2(g) 2NH3(g), Kc

Question 47

Multiple Choice

For the nitrogen fixation reaction 3H2(g) + N2(g) For the nitrogen fixation reaction 3H<sub>2</sub>(g) + N<sub>2</sub>(g) 2NH<sub>3</sub>(g) , K<sub>c</sub> = 6.0 * 10<sup>-2</sup> at 500°C. If 0.250 M H<sub>2</sub> and 0.050 M NH<sub>3</sub> are present at equilibrium, what is the equilibrium concentration of N<sub>2</sub>? A) 0.750 M B) 2.7 M C) 0.250 M D) 0.025 M E) 1.85 M 2NH3(g) , Kc = 6.0 * 10-2 at 500°C. If 0.250 M H2 and 0.050 M NH3 are present at equilibrium, what is the equilibrium concentration of N2?


A) 0.750 M
B) 2.7 M
C) 0.250 M
D) 0.025 M
E) 1.85 M

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