PASCO ET-8499 Energy Transfer Calorimeter - Manual (Page 17)

Model No. ET-8499 Teacher’s Notes
15 ®
Teacher’s Notes
Results for Exp 2
Since these two temp probes were not calibrated together first, I need to account for the offset.
39.3 - 15.2 =24.1
9.8 + 14.0 = 23.8
This results in an offset of 0.3 which I will add to the lower number.
Cup and cold water: T
o
= 9.8 +.3 = 10.1°C
T
f
= 24.1°C
∆
T=14.0°C
Hot water: T
o
= 39.3°C
T
f
= 24.1°C
∆
T=15.2°C
M
cup
= 22.0 g
M
CW
= 30.2 g
M
HW
= 1.9 g