Calibration Solution
Calibration Solution
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Calibration of calorimeter?
I have to determine the heat capacity of a calorimeter first before finding out the heat of neutralization of an acid-base system.
In the calibration of the calorimter, I added concentrated concentrated H2SO4 to 200 mL of water and measured heat change, afterwhich I titrated the H2SO4 with NaOH.
Why must the amount of solution inside the calorimeter be equal to the total volume to be used in subsequent neutralization experiments?
Can anyone pls help me? Thanks alot.
Calibrating the calorimeter means finding out the heat capacity of the calorimeter (container, water, stirrer, thermometer). The calorimeter you calibrate should be as similar as possible to what you use in the subsequent experiments. That means that the amount of water (or solution) should be the same in the calibration and subsequent experiments. If it is not the same, you would have calibrated one calorimeter and used the values for a different calorimeter.