Physics, 05.04.2020 01:28, eternity88091
1. How much energy would be required to melt 450 grams of ice at 0°C?
2. How many joules of energy would be release as 325 grams of steam condenses to liquid water at 100°C?
3. Calculate the number of joules of energy necessary to vaporize 85 grams of water at 100°C.
4. How much energy would be released by 225 grams of water solidifying at 0°C?
5. How much energy must be absorbed by 20.0 g of water to increase its temperature from 283.0 °C to 303.0 °C?
6. When 15.0 g of steam drops in temperature from 275.0 °C to 250.0 °C, how much heat energy is released?
7. How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/g°C?
8. What is the specific heat capacity of silver metal if 55.00 g of the metal absorbs 198 joules of heat and the temperature rises 15.0°C?
9. A certain mass of water was heated with 41,840 Joules, raising its temperature from 22.0 °C to 28.5 °C. Find the
mass of the water, in grams.
10. The specific heat of ethanol is 2.46 J/g oC. Find the heat required to raise the temperature of 193 g of ethanol
from 19oC to 35oC.
11. How much energy would be necessary to convert ice at -23.0°C to steam at 118°C? It may help to sketch the heating curve to see the energy changes required.
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1. How much energy would be required to melt 450 grams of ice at 0°C?
2. How many joules...
2. How many joules...
Mathematics, 19.10.2019 01:10