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    General Chemistry Principles
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    Exam 13: Spontaneous Change: Entropy and Gibbs Energy
  5. Question
    For CdO(s)+ SO<sub>3</sub>(g)→ CdSO<sub>4</sub>(s),Δ<sub>r</sub>H° = -279
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For CdO(s)+ SO3(g)→ CdSO4(s),ΔrH° = -279

Question 116

Question 116

Multiple Choice

For CdO(s) + SO3(g) → CdSO4(s) ,ΔrH° = -279.4 kJ/mol,and ΔrS° = -118.4 J/mol ∙ K.What is the temperature at which Keq is 1.0 × 104?


A) 1890 °C
B) 6950 °C
C) 1160 °C
D) 1710 °C
E) 6410 °C

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