Calculating Specific Heat Worksheet - #Chem@Work
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Calculating Specific Heat Extra PracticeWorksheet
Q = mc∆T, where Q = heat energy, m = mass, and ∆T = change in temp.
Remember, ∆T = (Tfinal – Tinitial). Show all work and proper units.
1. A 3 g piece of iron absorbs 6006.75 joules of heat energy, and its temperature changes from 95°C to 189°C. Calculate the specific heat capacity of iron.
2. How many joules of heat are needed to raise the temperature of 13.0 g of aluminum from 2°C to 25°C, if the specific heat of aluminum is 10.90 J/g°C?
3. Calculate the specific heat capacity of a piece of wood if 100.0 g of the wood absorbs 32,500 joules of heat, and its temperature changes from 32°C to 57°C.
4. 900.0 g of 3.0°C water is heated until its temperature is 9.5°C. Calculate the amount of heat energy needed to cause this rise in temperature.
5. 95.0 g of mercury is heated from 22°C to 65°C, and absorbs 55 joules of heat in the process. Calculate the specific heat capacity of mercury.
6. What is the specific heat capacity of silver metal if 155.00 g of the metal absorbs 147.3J of heat and the temperature rises 125.0°C?
7. What mass of water will change its temperature by 13 0C when 5825 J of heat is added to it?
8. A 60.3 g piece of copper is heated and fashioned into a bracelet. The amount of energy transferred by heat to the copper is 4,300 J. If the specific heat of copper is 990 J/g 0C, what is the change of the copper's temperature?
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