A sample of octane (c8h18 that has a mass of 0.750 g is burned in a bomb calorimeter. as a result, the temperature of the calorimeter increases from 21.0°c to 41.0°c. the specific heat of the calorimeter is 1.50 j / (g °c, and its mass is 1.00 kg. how much heat is released during the combustion of this sample? use.

Question

Chemistry

Amiya Newton

8 December, 22:32

A sample of octane (c8h18 that has a mass of 0.750 g is burned in a bomb calorimeter. as a result, the temperature of the calorimeter increases from 21.0°c to 41.0°c. the specific heat of the calorimeter is 1.50 j / (g °c, and its mass is 1.00 kg. how much heat is released during the combustion of this sample? use.

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Emmy Haas · Answer 1

In a closed system, heat should be conserved which means that the heat produced in the calorimeter is equal to the heat released by the combustion reaction. We calculate as follows:

Heat of the combustion reaction = mC (T2-T1)

= 1 (1.50) (41-21)

= 30 kJ