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CH(4)(g) +2O(2)(g) rarr CO(2)(g) +2H(2)O...

`CH_(4)(g) +2O_(2)(g) rarr CO_(2)(g) +2H_(2)O(l), DeltaH =- 890 kJ`
what is the calorific or fuel value of `1kg` of `CH_(4)`?

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Calorific value/kg ` =(890)/(16) xx 1000 = 55625 kJ g^(-1)`
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