Question: At a certain temperature this reaction follows second-order kinetics with a rate constant of 20.4M1 - 1 : 2NH3(g)N2(g)+3H2(g) Suppose a vessel contains NH3 at

At a certain temperature this reaction follows second-order kinetics with a rate constant of 20.4M1 - 1 : 2NH3(g)N2(g)+3H2(g) Suppose a vessel contains NH3 at a concentration of 0.760M. Calculate the concentration of NH3 in the vessel 0.740 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits

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