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Choose the Reaction That Illustrates ΔH° for Ca(NO3)2

Question 107

Multiple Choice

Choose the reaction that illustrates ΔH° for Ca(NO3) 2.


A) Ca(s) + N2(g) + 3O2(g) → Ca(NO3) 2(s)
B) Ca2+(aq) + 2NO3-(aq) → Ca(NO3) 2(aq)
C) Ca(s) + 2N(g) + 6O(g) → Ca(NO3) 2(s)
D) Ca(NO3) 2(aq) → Ca2+(aq) + 2NO3-(aq)
E) Ca(NO3) 2(s) → Ca(s) + N2(g) + 3O2(g)

Correct Answer:

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