Cooling Curve 1 3 4 6. 8. 9. 10 11 Time (min) 23. Fruit growers in Florida protect oranges when the temperature is near freezing by spraying water on them. It is the freezing of the water that protects the oranges from frost damage. When H20(1) at 0°C changes to H20(s) at 0°C, heat energy is released. This energy helps to prevent the temperature inside the orange from dropping below freezing, which could damage the fruit. After harvesting, oranges can be exposed to ethene gas, C2H4, to improve their color. Refer to the Cooling Curve above for which water is a gas between 0 and 2 min. Which time interval on the Cooling Curve matches the phase change described in the text, where water transfers heat energy to the fruit? A. min 2 to min 4 B. min 4 to min 5 C. min 5 to min 7 D. min 7 to min 9 Temperature (°C)

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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23
Cooling Curve
1
2
3
4
6.
8
9.
10 11
Time (min)
23.
Fruit growers in Florida protect oranges when the temperature is near freezing by spraying water
on them. It is the freezing of the water that protects the oranges from frost damage. When H20(1) at
0°C changes to H20(s) at 0°C, heat energy is released. This energy helps to prevent the temperature
inside the orange from dropping below freezing, which could damage the fruit. After harvesting,
oranges can be exposed to ethene gas, C2H4, to improve their color.
Refer to the Cooling Curve above for which water is a gas between 0 and 2 min. Which time
interval on the Cooling Curve matches the phase change described in the text, where water
transfers heat energy to the fruit?
A. min 2 to min 4
B. min 4 to min 5
C. min 5 to min 7
D. min 7 to min 9
Temperature (°C)
Transcribed Image Text:Cooling Curve 1 2 3 4 6. 8 9. 10 11 Time (min) 23. Fruit growers in Florida protect oranges when the temperature is near freezing by spraying water on them. It is the freezing of the water that protects the oranges from frost damage. When H20(1) at 0°C changes to H20(s) at 0°C, heat energy is released. This energy helps to prevent the temperature inside the orange from dropping below freezing, which could damage the fruit. After harvesting, oranges can be exposed to ethene gas, C2H4, to improve their color. Refer to the Cooling Curve above for which water is a gas between 0 and 2 min. Which time interval on the Cooling Curve matches the phase change described in the text, where water transfers heat energy to the fruit? A. min 2 to min 4 B. min 4 to min 5 C. min 5 to min 7 D. min 7 to min 9 Temperature (°C)
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