October 2018 2 115 Report
Diketahui :
S(s) + O2 (g) → SO2 (g) ΔH = -297 kj
2 S (s) + 3 O2 (g) → 2SO3 (g) ΔH = -790 kj
Maka ΔH reaksi SO2(g) + 1/2 O2 (g) → SO3 (g) adalah …
A. -98 kj
B. -196 kj
C. -392 kj
D. +98 kj
E. +196 kj


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