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Specific Heat Worksheet
DIRECTIONS: Use q = (m)(ΔT)(Cp) to solve the following problems. Show all work and units.
1. A 16.75-g piece of iron absorbs 986.75 joules of heat energy, and its temperature changes from 25°C to 175°C. Calculate the specific heat capacity of iron.
2. How many joules of heat are needed to raise the temperature of 100.0 g of aluminum from 12°C to 55°C, if the specific heat of aluminum is 0.90 J/g°C?
3. To what temperature will a 50.0 g piece of glass raise if it absorbs 3275 joules of heat and its specific heat capacity is 0.50 J/g°C? The initial temperature of the glass is 15.0°C.
4. Calculate the specific heat capacity of a piece of wood if 2000.0 g of the wood absorbs 6.7500 joules of heat, and its temperature changes from 29°C to 57°C.
5. 25.0 g of mercury is heated from 25°C to 255°C, and absorbs 455 joules of heat in the process. Calculate the specific heat capacity of mercury.
6. What is the specific heat capacity of silver metal if 55.00 g of the metal absorbs 47.3 joules of heat and the temperature rises 155.0°C?
7. How much energy must be absorbed by 200.0 g of water to increase its temperature from 63.0 °C to 93.0 °C? (Cp of H2O = 4.184 J/g °C)
8. If it takes 41.72 joules to heat a piece of gold weighing 18.69 g from 10.0 °C to 27.0 °C, what is the specific heat
of the gold?
9. A certain mass of water was heated with 4,140 Joules, raising its temperature from 22.0 °C to 28.5 °C. Find the mass of the water, in grams. (Cp of H2O = 4.184 J/g °C)
10. How many joules of heat are needed to change 560.0 grams of ice at -15.0 °C to steam at 120.0 °C?
(Cp of H2O = 4.184 J/g °C)