For each of the given situations, indicate whether s or o2 is the limiting reactant.
a) 3 mol sulfur, 4 mol oxygen
b) 3 mol sulfur, 5 mol oxygen
c) 3 mol sulfur, 3 mol oxygen

Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

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Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.