May 2019 1 29 Report
Perhatikan data tahap-tahap reaksi berikut!

C(s) + O2(g) → CO2(g) ΔH = -394 kJ/mol
H2(g) + 1/2O2(g) → H2O(l) ΔH = -286 kJ/mol
CH4(g) 2O2(g) → CO2(g) + 2H2O(l) ΔH = -890 kJ/mol

Entalpi pembentukan metana (CH4) adalah
A. -1,856 kJ/mol
B. -210 kJ/mol
C. -76 kJ/mol
D. +76 kJ/mol
E. +210 kJ/mol
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