Heat loss over time of the experiment is a very big error in your measurement. You cannot easily measure the required temperature if heat has been lost.
Go with the second answer.
What is the most important source of error in the calorimeter experiment?
I know few, but I don't know what is the most important source of error.
Stirring error
the calorimeter is not properly insulated
Calculation error
Measurement error in volume and or weight
3 answers
Source of error of calorimeter
ey5
1 answer