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Kinetics of chemical reactions

For a reaction N2 + 3H2  2NH3, the rate of formation of ammonia was found to  be 2.0 × 10-4 mol dm-3 s-1. The rate of consumption of H2 will be 


 We will have dN2dt=13dH2dt=12dNH3dt

 It is given that dNH3dt=2×104moldm3s1. Hence,  dH2dt=32dNH3dt=3×104moldm3s1

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