Which of the Following Reactions Corresponds to the Thermochemical Equation $\ell$

question 31

Multiple Choice

Which of the following reactions corresponds to the thermochemical equation for the standard molar enthalpy of formation of solid zinc nitrate?

• A) Zn²⁺(aq) + 2NO₃^-(aq) ? Zn(NO₃)₂(s)
• B) Zn(OH)₂(s) + 2HNO₃(aq) ? Zn(NO₃)₂(s) + 2H₂O( \(\ell\) )
• C) Zn(s) + N₂(g) + 3O₂(g) ? Zn(NO₃)₂(s)
• D) Zn(s) + 2HNO₃(aq) ? Zn(NO₃)₂(s) + H₂(g)
• E) Zn(s) + 2N(g) + 6O(g) ? Zn(NO₃)₂(s)

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