November 2018 1 207 Report
Perhatikan reaksi berikut dengan seksama:
C(s) + O₂(g) → CO₂(g), ΔH = -394 kJ/mol
2CO(g) + O₂(g) → 2CO₂(g), ΔH = -569 kJ/mol
Reasi pembentukan 140 gram karbon monoksida (Mr = 28) disertai dengan ΔH sebesar....

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