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Use the ΔfH° and Δr information Provided to Calculate Δf

Question 110

Multiple Choice

Use the ΔfH° and Δr information provided to calculate ΔfH° for SO3(g) : Δf (kJ mol-1) 2SO2(g) + O2(g) → 2SO3(g) Δr = -198 kJ
SO2(g) -297


A) -792 kJ mol-1
B) -248 kJ mol-1
C) -495 kJ mol-1
D) -578 kJ mol-1
E) -396 kJ mol-1

Correct Answer:

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