6 Mg(s)+2 N2(g)→2 Mg3N2(s)6 \mathrm{~Mg}(\mathrm{s})+2 \mathrm{~N}_{2}(\mathrm{g}) \rightarrow 2 \mathrm{~Mg}_{3} \mathrm{N}_{2}(\mathrm{s})6 Mg(s)+2 N2(g)→2 Mg3N2(s)
CaO(s)+H2O(ℓ)→Ca(OH)2(s)\mathrm{CaO}(\mathrm{s})+\mathrm{H}_{2} \mathrm{O}(\ell) \rightarrow \mathrm{Ca}(\mathrm{OH})_{2}(\mathrm{s})CaO(s)+H2O(ℓ)→Ca(OH)2(s)
2 Al(OH)3(s)→Al2O3(s)+3 H2O(ℓ)2 \mathrm{~Al}(\mathrm{OH})_{3}(\mathrm{s}) \rightarrow \mathrm{Al}_{2} \mathrm{O}_{3}(\mathrm{s})+3 \mathrm{~H}_{2} \mathrm{O}(\ell)2 Al(OH)3(s)→Al2O3(s)+3 H2O(ℓ)
2 Na(s)+Cl2(g)→2 NaCl(s)2 \mathrm{~Na}(\mathrm{s})+\mathrm{Cl}_{2}(\mathrm{g}) \rightarrow 2 \mathrm{~NaCl}(\mathrm{s})2 Na(s)+Cl2(g)→2 NaCl(s)
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