Asked by nicole

What mass of octane must be burned in order to liberate 5510 kJ of heat? ΔHcomb = -5471 kJ/mol.
Answered by DrBob222
2C8H18 + 17O2 ==>16CO2 + 18H2O
So you have 5471 kJ for 1 mole (which is 114.23 grams); therefore,
2*molar mass C8H18 x (5510/5471) = ??
Answered by Alyssa
228.46 / (5510/5471) = 226.84
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