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Which of the Following Reactions Has the Largest Positive Value

Question 17

Multiple Choice

Which of the following reactions has the largest positive value of ΔS° per mole of O2 at 25°C?


A) 2H2(g) + O2(g) → 2H2O(g)
B) 2C(s) + O2(g) → 2CO(g)
C) 2Mg(s) + O2(g) → 2MgO(s)
D) C(s) + O2(g) → CO2(g)
E) 2NO(g) + O2(g) → 2NO2(g)

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