September 2018 1 784 Report
Diketahui reaksi : S (s) + O2 (g) → SO2 (g) ΔH1= –299 kJ mol-1
SO2 (g) + ½ O2 (g) → SO3 (g) ΔH2 = X kJ mol-1
S(s) + 1½O2 (g) → SO3 (g) ΔH3=–396 kJ mol-1
Besarnya X adalah …

A. –49,9 kJ mol-1

B. –97 kJ mol-1

C. –194 kJ mol-1

D. +49,9 kJ mol-1

E. +97 kJ mol-1

(Tolong sekarang yaa)
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