Chem Mantra
MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryChemical EquilibriumDynamic Equilibrium

The following concentrations were obtained for the formation of NH3 from N2 and H2 at equilibrium at 500 K. N 1.5 10 M. x H 3.0 10 M x and NH 1.2 10 M. x Calculate the equilibrium constant. (a) 1.08 10 x (b) 3.098 10 x (c) 3.55 10 x (d) 2.93 10 x

Answer
C
Explanation

The equilibrium constant for the reaction, 2 2 3 N g 3H g 2NH g can be written as 2 3 c 3 2 2 NH g K N g H g 2 2 3 2 2 1.2 10 1.5 10 3.0 10 x x x 4 2 0.0355 10 3.55 10 x x

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