喵喵喵？？？
Co 3 O 4 {\displaystyle {\ce {Co3O4}}}
<math>\Delta H=x\mbox{kJ}\centerdot \mbox{mol}^{-1}</math>
Δ H = x kJ ⋅ mol − 1 {\displaystyle \Delta H=x{\mbox{kJ}}\centerdot {\mbox{mol}}^{-1}}
<math>\rm reactant</math><ruby><math>\longrightarrow</math><rp>(</rp><rt>reaction conditions</rt><rp>)</rp></ruby><math>\rm resultant</math>
r e a c t a n t {\displaystyle {\rm {reactant}}} ⟶ {\displaystyle \longrightarrow } (reaction conditions) r e s u l t a n t {\displaystyle {\rm {resultant}}}
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