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

question 19

Multiple Choice

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

• A) Ca²⁺(aq)+ 2NO₃^-(aq)\(\to\) Ca(NO₃)₂(s)
• B) Ca(O
• H)₂(s)+ 2HNO₃(aq)\(\to\) Ca(NO₃)₂(s)+ 2H₂O( )
• C) Ca(s)+ N₂(g)+ 3O₂(g)\(\to\) Ca(NO₃)₂(s)
• D) Ca(s)+ 2HNO₃(aq)\(\to\) Ca(NO₃)₂(s)+ H₂(g)
• E) Ca(s)+ 2N(g)+ 6O(g)\(\to\) Ca(NO₃)₂(s)

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