8. Thermochemistry
Endothermic & Exothermic Reactions
Multiple Choice
Multiple ChoiceA 0.1250-g sample of octane (C8H18) is burned in a bomb calorimeter with a heat capacity of 5.1 × 102 J/℃. The temperature inside the calorimeter increases by 11.8℃. What is the ΔE (in kJ/mol octane) for the combustion of octane?
A
−6.0 kJ/mol
B
−48 kJ/mol
C
750 kJ/mol
D
6000 kJ/mol
E
−5500 kJ/mol
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