Using the data provided in the excel file, show all of your workfor the following calculations:
a.) mean temperature of unmixed reagents (oC)
b.) δελταT from graph (oC)
c.) q absorbed by reaction mixture (J)
d.) q absorbed by calorimeter, stirrer, and thermometer (J)
e.) q total absorbed (J)
f.) q total released (J)
g.) calculation to show limiting reagent
h.) deltaH neutralization for the reaction (kJ/mole of acid)
| A student reacted100.0 mL of 0.9800 M HCl with 100.0 mL of 0.9900 M NH3. The densityof | | the reaction mixture was 1.02g/mL and the heat capacity was 4.016 J/g K. | | | Calculate the enthalpy ofneutralization by plotting and using the data shown below. | |
| | | | | | |
| Data for mixing hydrochloricacid and ammonia | | |
| | | | | | |
| | | | | | |
| Time(min) | Temp(oC) | | | | |
| 0.0 | 23.25 | | | | | |
| 0.5 | 23.27 | | | | | |
| 1.0 | 23.28 | | | | | |
| 1.5 | 23.30 | | | | | |
| 2.0 | 23.30 | | | | | |
| 3.0 | 23.35 | | | | | |
| 4.0 | 23.44 | | | | | |
| 4.5 | 23.47 | | | | | |
| mix | --------- | | | | | |
| 5.5 | 28.75 | | | | | |
| 6.0 | 28.50 | | | | | |
| 7.0 | 28.55 | | | | | |
| 8.0 | 28.48 | | | | | |
| 9.0 | 28.32 | | | | | |
| 10.0 | 28.25 | | | | | |
| 11.0 | 28.20 | | | | | |
| 12.0 | 28.05 | | | | | |
| 13.0 | 27.96 | | | | | |
| 14.0 | 27.80 | | | | | |
| 15.0 | 27.75 | | | | | |
| | | | | | |
