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Specific Heat Practice Problems
Formula: Q = mc∆T
Terms in this set (9)
If 200 grams of water is to be heated from 24.0°C to 100°C to make a cup of tea, how much heat must be added? The specific heat of water is 4.18 J/g°C
Heat Energy (Q): 63,536
How many grams of water would require 2200 joules of heat to raise its temperature from 34°C to 100°C? The specific heat of water is 4.18 J/g°C
Mass of Substance (M): 7.974
A block of aluminum weighing 140g is cooled from 98.4°C to 62.2°C with the release of 1080 joules of heat. From this data,calculate the specific heat of aluminum.
Specific Heat (C): 0.213
100.0 mL of 4.0°C water is heated until its temperature is 37°C. If the specific heat of water is 4.18 J/g°C, calculate the amount of heat energy needed to cause this rise in temperature.
Heat Energy (Q): 13, 794
A total of 54.0 Joules of heat are observed as 58.3g of lead is heated from 12.0°C to 42.0°C. From this data, what is the specific heat of lead?
Specific Heat (C): 0.03
The specific heat of wood is 2.03 J/g°C. How much heat is needed to convert 550g of wood at -15.0°C to 10.0°C?
Heat Energy (Q): 27, 912.5
What is the total amount of heat needed to change 2.25 kg of silver at 0.0°C to 200.0°C? The specific heat of silver is 0.129 J/g°C
Heat Energy (Q): 58,050 J
Granite has a specific heat of 800 J/g°C. What mass of granite is needed to store 150,000 J of heat if the temperature of the granite is to be increased by 15.5 °C?
Mass of Substance (M): 12.10 g
A 55 kg block of metal has an original temperature of 15.0°C and 0.45 J/g°C. What will be the final temperature of this metal if 450 J of heat energy are added?
Final Temperature: 15.02°C
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