Problem: Choose the thermochemical equation that illustrates ΔH°f for Li 2SO4. A) 2 Li+(aq) + SO42- (aq) → Li2SO4(aq) B) 2 Li(s) + 1/8 S8(s, rhombic) + 2 O2(g) → Li2SO4(s) C) Li2SO4(aq) → 2 Li +(aq) + SO42-(aq) D) 8 Li2SO4(s) → 16 Li(s) + S 8(s, rhombic) + 16 O2(g) E) 16 Li(s) + S8(s, rhombic) + 16 O2(g) → 8 Li2SO4(s)

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Choose the thermochemical equation that illustrates ΔH°f for Li 2SO4.
A) 2 Li+(aq) + SO42- (aq) → Li2SO4(aq)
B) 2 Li(s) + 1/8 S8(s, rhombic) + 2 O2(g) → Li2SO4(s)
C) Li2SO4(aq) → 2 Li +(aq) + SO42-(aq)
D) 8 Li2SO4(s) → 16 Li(s) + S 8(s, rhombic) + 16 O2(g)
E) 16 Li(s) + S8(s, rhombic) + 16 O2(g) → 8 Li2SO4(s)

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