C-06-Q141mediumsingle_mcqIn N2+3H2→2NH3\mathrm{N_2 + 3H_2 \to 2NH_3}N2+3H2→2NH3, NH3\mathrm{NH_3}NH3 produced from 28 g N2\mathrm{N_2}N2—a34 gb17 gc28 gd8 g