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March 26, 2017

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At constant volume, the heat of combustion of a particular compound is –3323.0 kJ/mol. When 1.489 g of this compound (molar mass = 131.02 g/mol) was burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 8.077 °C. What is the heat capacity (calorimeter constant) of the calorimeter?

  • chemistry - ,

    mols compound = 1.489/131.02 = about 0.0114 but you need to do that more accurately.
    kJ heat added to calorimeter = 3323 kJ/mol x 0.0114 mol = ? Then substitute this into
    q = Ccal x delta T
    Solve for Ccal.

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