heating/cooling curve & energy calculations. which of the following measures the average kinetic...
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![Page 1: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/1.jpg)
Heating/Cooling Curve&
Energy Calculations
![Page 2: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/2.jpg)
Which of the following measures the average kinetic energy of a sample?
1. 2. 3. 4. 5.
0% 0% 0%0%0%
1. Mass2. Volume3. Specific heat4. Temperature5. Heat of fusion
Table
![Page 3: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/3.jpg)
The flat lines on a heating curve represent…
1. 2. 3. 4.
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1. A temperature change.2. A constant state of matter.3. A change in state.4. A Change in average kinetic energy
Table
![Page 4: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/4.jpg)
The sloped lines on a heating curve represent…
1. 2. 3. 4.
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1. A constant temperature.2. A change in state of matter.3. A constant state of matter.4. A constant value for the average kinetic
energy
Table
![Page 5: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/5.jpg)
Which portion of the curve represents the solid melting?
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0%
0%
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0% 1. 12. 23. 34. 45. 5
Table
Energy being added (cal)
500
200
60
10
0
![Page 6: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/6.jpg)
When does kinetic energy increase on a heating curve?
1. 2. 3.
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1. On the flat portions.2. On the sloped lines.3. Every point on the curve.
Table
![Page 7: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/7.jpg)
What is enthalpy of fusion?
1. 2. 3.
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1. Amount of energy to raise temperature of 1g by 10
2. Amount of energy needed to boil 1g3. Amount of energy needed to melt 1g
Table
![Page 8: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/8.jpg)
What would be the freezing point temperature of this substance?
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0%
0%
0%
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0% 1. 0 °C2. 10 °C3. 60 °C4. 200 °C5. 500 °C6. Not listed
Table
Energy being added (cal)
500
200
60
10
0
![Page 9: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/9.jpg)
Which portion of the curve represents heating of the liquid?
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0%
0%
0%
0% 1. 12. 23. 34. 45. 5
Energy being added (cal)
500
200
60
10
0Response
![Page 10: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/10.jpg)
For the same amount of heat added, a substance with a large specific heat…
1. 2. 3.
0% 0%0%
1. Has a smaller increase in temp.2. Has a larger increase in temp.3. Has the same increase in temp.
Table
![Page 11: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/11.jpg)
If the specific heat of ice is 0.5 cal/gC°, how much heat would have to be added to 200 g of ice, initially at a temperature of -10°C, to raise the ice to the melting point?
1. 2. 3. 4.
0% 0%0%0%
1. 1000 cal2. -1000 cal3. 2000 cal4. -2000 cal
Table
![Page 12: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/12.jpg)
What is the specific heat of a metal if 24.8 g absorbs65.7 cal of energy and the temperature rises from20.2 C to 24.5 C?
1. 2. 3.
0% 0%0%
1. .62 cal/g C 2. 78 cal/g C 3. 66 cal/g C
Table
![Page 13: Heating/Cooling Curve & Energy Calculations. Which of the following measures the average kinetic energy of a sample? 1.Mass 2.Volume 3.Specific heat 4.Temperature](https://reader036.vdocuments.site/reader036/viewer/2022071806/56649cf15503460f949c07da/html5/thumbnails/13.jpg)
A hot-water bottle contains 750 g of water at 65 °C. If the water cools to body temperature (37 °C), calculate the energy transfer experienced by the water in the hot water bottle.
1. 2. 3. 4. 5. 6.
0% 0% 0%0%0%0%
1. -23000 cal2. -21000 cal3. -20000 cal4. 2300 cal5. 2100 cal6. 20000 cal
Table