Question:

Can someone please help me with this chemistry problem?

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A 1.000 gram sample of ethanol, C2H5OH, was burned in a bomb calorimeter whose heat capacity had been determined to be 2.71 kJ/oC. The temperature of 3000 grams of water rose from 24.284oC to 26.225oC. Determine E for the reaction in joules per gram of ethanol, and then in kilojoules per mole of ethanol. The specific heat of water is 4.184 J/goC. The combustion reaction is

C2H5OH (l) 3O2 (g) ------ 2CO2 (g) 3H2O (l)

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2 ANSWERS


  1. Are you a terrorist?


  2. I think you first have to find delta T for the temperature, and then just use the specific heat capacity equation, but instead of finding the heat capacity cause you already have it, just find enthalpy. delta E.  

    and then just convert it to the desired units.

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