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WorksheetsSpecific Heat Capacity
Total questions: 10
Worksheet time: 45mins
The following results were obtained in an experiment to determine the specific heat capacity of water.
Mass of water = 0.5 kg, temperature rise = 8.2 K, time = 360s, power rating of heater = 50W.
Is the value higher or lower than the true specific heat capacity of water (4200 Jkg-1 K-1 and why?)
Calculate the energy absorbed by 30 g of 100 ⁰C water that is turned into 100 ⁰C.
67 800 J
6 7800 J
678 J
67.8 J
The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?
66.5 J
665 J
0.0266 J
0.665 J
A 2kg block of metal at 650°C is dropped into 10kg of a liquid at 30°C. What is the final temperature of the mixture?
[The specific heat capacity of the metal = 500 J/kg K
The specific heat capacity of the metal = 3000 J/ kg K]
20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?
418 J
209 J
83 J
4.18 J
