Consider the combustion of ammonia: 4 NH3(g) + 3 O2(g) 2 N2(g) + 6 H2O(g). If N2 is produced at the rate of 0.63 mol/s, what is the rate of consumption of NH3? a) The rate of consumption of NH3 is -1.3 mol/s. b) The rate of consumption of NH3 is 5.0 mol/s. c) The rate of consumption of NH3 is 0.32 mol/s. d) The rate of consumption of NH3 is 0.079 mol/s. e) The rate of consumption of NH3 is 1.3 mol/s.