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October 25, 2014

Homework Help: Chemistry

Posted by Anonymous on Wednesday, November 2, 2011 at 11:11pm.

The sugar arabinose, C5H10O5, Molar Mass = 150.15 g/mole, was completely combusted with excess oxygen in a calorimeter. Combustion of a 0.548 g sample of arabinose caused the temperature to increase from 20.00 degrees C to 20.54 degrees C in a calorimeter with a total heat capacity of 15.8 kJ/degrees C. Calculate the enthalpy of combustion for arabinose.

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