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July 24, 2014

Homework Help: Chemistry

Posted by Lance on Tuesday, June 7, 2011 at 8:26am.

A sample of ethanol, C2H5OH, weighing 2.84 g was burned in an excess of oxygen in a bomb calorimeter. The temperature of the calorimeter rose from 25.00C to 33.73C. If the heat capacity of the calorimeter and contents was 9.63 kJ/C, what is the value of q for burning 1.28 mol of ethanol at constant volume and 25.00C?
The reaction is shown below.
C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l)

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