Description
Complete the following data sheet:
Specific heat of the material of the calorimeter, s = 0.093 cal/(gm ⋅ C°)
Water equivalent of the heating coil, stirrer, etc., m 3 = 6.8 gm
Mass of the empty dry calorimeter, m1 = 123.4 gm
Mass of calorimeter plus water, m = 280.1 gm
Mass of water in the calorimeter, m2 =
No. | Time (min) | Temperature (C °) | Voltage (V) | Current (A) | Power (watt) |
---|---|---|---|---|---|
1 | 0 | 22.6 | 5.2 | 1.1 | |
2 | 3 | 24.1 | 5.1 | 1.1 | |
3 | 6 | 25.4 | 5.2 | 1.2 | |
4 | 9 | 26.8 | 5.0 | 1.0 | |
5 | 12 | 27.8 | 5.2 | 1.1 |
Interval No. | Time Interval (min) | Average Power (watt) |
---|---|---|
1 | 0 - 3 | |
2 | 3 - 6 | |
3 | 6 - 9 | |
4 | 9 - 12 |
Length of a time interval, t =
Total average power, P = Total electrical energy supplied, W =
Initial temperature, T1 = 22.6 °C
Final temperature, T2 = 28.2 °C
Amount of heat generated in calories, H =
Joule's Constant, J =
Percent error in J (standard value is equal to 4.186 J/cal) =
Give values for all missing items on the sheet.
Give Power = {P1, P2, P3, P4, P5}
Give Average Power = {AP1, AP2, AP3, AP4}
Explanation & Answer
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