Question

A 1 g sample of octane c8h18 is burned in excess of oxygen in a bomb calorimeter. The temperature of the calorimeter rises from 294 k to 300 k. If heat capacity of the calorimeter is 8 kj/k, the enthalpy of combustion of octane is

Answer 1

sample of octane c8h18 is burned in excess of oxygen in a bomb calorimeter. The temperature of the calorimeter rises from 294 k to 300 k. If heat capacity of the calorimeter is 8 kj/k, the enthalpy of combustion

Answer 2

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Temp of calorimeter rises from 294.05 K to 300.78 K.

Heat ... to calorimeter and also find enthalpy of combustion of the .

.. Mass of octane

, m = 1.25 g

or 0.00125 kg