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Thermochemistry Question: Heat of Combustion of n-Octane

Thermochemistry Question: Heat of Combustion of n-Octane

Question 73:
A sample of n-octane (1.14 g) was completely burnt in excess of oxygen in a bomb calorimeter whose heat capacity is 5 kJ K−1. As a result of the combustion reaction, the temperature of the calorimeter increased by 5 K.

The magnitude of the heat of combustion of octane at constant volume is _____ kJ mol−1 (nearest integer).

  • (1) 500
  • (2) 1250
  • (3) 2500
  • (4) 5000
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Posted by StudyBeacon | Category: Physical Chemistry • Thermodynamics


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