nylachevalier5 nylachevalier5

18-04-2024
Chemistry

contestada

Question
When octane (C8H18, density = 0.699 g/mL) undergoes complete combustion, it provides energy
according to the reaction:
2 C8H18 (1) +25 O2(g) 16 CO2(g) +18 H2O(l) AH° = -10,392 kJ
How much heat, in kJ, is produced by the amount of octane needed to drive 690 kilometers in a car
that averages 15.3 km/L?
kj

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