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Use the Standard Reaction Enthalpies Given Below to Determine ΔH°rxn

Question 2

Multiple Choice

Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction: 4 SO3(g) → 4 S(s) + 6 O2(g) ΔH°rxn = ?
Given:
SO2(g) → S(s) + O2(g) ΔH°rxn = +296.8 kJ
2 SO2(g) + O2(g) → 2 SO3(g) ΔH°rxn = -197.8 kJ


A) -494.6 kJ
B) -692.4 kJ
C) -791.4 kJ
D) 1583 kJ
E) -293.0 kJ

Correct Answer:

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