With the response factor of the calorimeter that you calculated, and the measured temperature change for the first unknown sample.

With the response factor of the calorimeter that you calculated, and the measured temperature change for the first unknown sample.....

*Calculate the heat (in KJ) released during the combustion of unknown sample #1*

Data:

AL:

Mass of Al: 7.827g

Initial temp: 20.9 C

Max temp Al: 509.4 C

KJ released during combustion of Al: 243.4 kJ

Delta T for Al: 488.5 C

Response factor of the calorimeter: 4.11 C/kJ

Unknown Sample #1:

Mass of unknown #1: 10.234

Initial temp: 21.0 C

Max temp: 343.5 C

Delta T: 322.5